chore(deps): update dependency protoc to v29 (#3592)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [protoc](https://redirect.github.com/protocolbuffers/protobuf) | major
| `28.3` -> `29.0` |

---

### Release Notes

<details>
<summary>protocolbuffers/protobuf (protoc)</summary>

###
[`v29.0`](https://redirect.github.com/protocolbuffers/protobuf/releases/tag/v29.0):
Protocol Buffers v29.0

### Announcements

- [Protobuf News](https://protobuf.dev/news/) may include additional
announcements or pre-announcements for upcoming changes.

### Bazel

- Add missing line to docstring after Args
([#&#8203;19213](https://redirect.github.com/protocolbuffers/protobuf/issues/19213))
(protocolbuffers/protobuf@6f310d5)
- Fix proto_info_bzl
([#&#8203;18918](https://redirect.github.com/protocolbuffers/protobuf/issues/18918))
(protocolbuffers/protobuf@083de5f)
- Use rules_cc everywhere in protobuf
(protocolbuffers/protobuf@ddadd0b)
- Upgrade rules_cc to 0.0.13
(protocolbuffers/protobuf@3dd4835)
- Convert proto toolchain string to Label
(protocolbuffers/protobuf@aa181e2)
- Prepare supporting targets for testing
(protocolbuffers/protobuf@a748b10)
- Support --incompatible_enable_proto_toolchain_resolution
(protocolbuffers/protobuf@372ddb3)
- Move ProtoInfo and ProtoLangToolchainInfo from Bazel
(protocolbuffers/protobuf@426ca8a)
- Move java\_{lite\_}proto_library from Bazel repository
(protocolbuffers/protobuf@d77bdac)
- Move proto_toolchain from rules_proto to protobuf
(protocolbuffers/protobuf@9f9cb7a)
- Move proto_library from Bazel repository
(protocolbuffers/protobuf@3ff2cf0)
- Move proto_common implementation from Bazel binary
(protocolbuffers/protobuf@b19fbe6)

### Compiler

- Begin adding extension numbers to SourceCodeInfo and FileDescriptorSet
for tooling purposes.
(protocolbuffers/protobuf@07e489d)
- Update protoc release to include editions language features proto for
Go
([#&#8203;19013](https://redirect.github.com/protocolbuffers/protobuf/issues/19013))
(protocolbuffers/protobuf@63d966b)
- Introduce lifetimes for individual feature values.
(protocolbuffers/protobuf@0b6e768)
- Windows - Fix handling of utf8 command line arguments
([#&#8203;17854](https://redirect.github.com/protocolbuffers/protobuf/issues/17854))
(protocolbuffers/protobuf@b9d1800)
- Limit feature deprecation warnings to reduce noise.
(protocolbuffers/protobuf@5cd9a46)

### C++

- Fix C++ ifndef_guard printer to also convert "-" to "\_".
(protocolbuffers/protobuf@7331b77)
- Fix C++ codegen namespace printer to print closing namespaces in
reverse order.
(protocolbuffers/protobuf@3bf9c40)
- Fix raw_ptr.cc on exotic architectures
([#&#8203;18193](https://redirect.github.com/protocolbuffers/protobuf/issues/18193))
(protocolbuffers/protobuf@63f6262)
- Fix cord handling in DynamicMessage and oneofs.
(protocolbuffers/protobuf@9e8b30c)
- Fix packed reflection handling bug in edition 2023.
(protocolbuffers/protobuf@4c92328)
- Add JsonStreamToMessage method
(protocolbuffers/protobuf@0259cc3)
- Introduce lifetimes for individual feature values.
(protocolbuffers/protobuf@0b6e768)
- Insert software prefetches into merge functions. This improves
performance when hardware prefetchers are disabled on AMD machines.
(protocolbuffers/protobuf@d993365)
- Insert software prefetches into proto parsing functions. This improves
performance when hardware prefetchers are disabled on AMD platforms.
(protocolbuffers/protobuf@8aa0add)
- Add prefetching of subsequent extensions in ExtensionSet::ForEach.
(protocolbuffers/protobuf@9b019ee)
- Remove the AnyMetadata class and use free functions instead.
(protocolbuffers/protobuf@920d5c3)
- Add `[[deprecated]]` attribute when generating enums and classes.
(protocolbuffers/protobuf@23aada2)
- Use linear search instead of binary search in flat mode of
ExtensionSet.
(protocolbuffers/protobuf@0ed61f0)
- Prepare `MessageLite::GetTypeName` to be upgraded to return
(protocolbuffers/protobuf@30a8ef5)
- Limit feature deprecation warnings to reduce noise.
(protocolbuffers/protobuf@5cd9a46)
- Add Compiler Condition to use inline assembly optimizations with ARM64
for Compatibility with MSVC
([#&#8203;17671](https://redirect.github.com/protocolbuffers/protobuf/issues/17671))
(protocolbuffers/protobuf@c5f6231)
- Enable small object optimization (SOO) for RepeatedField in order to
reduce data indirections.
(protocolbuffers/protobuf@e2525e6)
- Return backing array memory to arena in ExtensionSet.
(protocolbuffers/protobuf@5ac8ee1)
- In edition 2024, `Enum_Name(value)` functions return
`absl::string_view` by default.
(protocolbuffers/protobuf@e3fa6aa)
- Add Prefetchers to Proto Copy Construct to help address load misses
(protocolbuffers/protobuf@cdb7238)
- Reduced nesting in GenerateByteSize: slight readability improvements
in generated code.
(protocolbuffers/protobuf@162a740)
- Introduce FieldDescriptor::cpp_string_type() API to replace direct
ctype inspection which will be removed in the next breaking change
(protocolbuffers/protobuf@d0e49df)
- Update the comment of TextFormat::Printer::RegisterMessagePrinter that
the method takes ownerhip of the `printer` pointer.
(protocolbuffers/protobuf@d911161)
- Prepare the code for migrating return types from `const std::string&`
to
(protocolbuffers/protobuf@e13b8e9)

### Java

- Remove deprecation warnings for Timestamp and Duration
add/subtract/between that we do not yet have alternatives to.
(protocolbuffers/protobuf@f606c13)
- \[29.x] Add missing java load
([#&#8203;19016](https://redirect.github.com/protocolbuffers/protobuf/issues/19016))
(protocolbuffers/protobuf@bb287be)
- Give Kotlin jars an OSGi Manifest
([#&#8203;18812](https://redirect.github.com/protocolbuffers/protobuf/issues/18812))
(protocolbuffers/protobuf@0c51eba)
- Re-export includingDefaultValueFields in deprecated state for
important Cloud customer.
(protocolbuffers/protobuf@7321b2f)
- Restore compatibility with 3.22 gencode by re-adding mutableCopy
helpers
(protocolbuffers/protobuf@1b1e90b)
- Speed up CodedOutputStream by extracting rarely-executed string
formatting code
(protocolbuffers/protobuf@f8f5136)
- Return constant Value objects for true, false, and ""
(protocolbuffers/protobuf@4fbb0c5)
- Optimise
CodedOutputStream.ArrayEncoder.writeFixed32NoTag/writeFixed64NoTag
(protocolbuffers/protobuf@a51f98c)
- CodedOutputStream: avoid updating position to go beyond end of array.
(protocolbuffers/protobuf@76ab5f2)
- Convert IndexOutOfBoundsException to OutOfSpaceException in
UnsafeDirectNioEncoder
(protocolbuffers/protobuf@0e75d92)
- Suppress ReturnValueIgnored errorprone issues
(protocolbuffers/protobuf@bbbc7b9)
- Fix packed reflection handling bug in edition 2023.
(protocolbuffers/protobuf@4c92328)
- Move cc_proto_library from Bazel repository
(protocolbuffers/protobuf@5254448)
- Protobuf Lite ArrayLists: Defer allocating backing array until we have
some idea how much to allocate.
(protocolbuffers/protobuf@05a8a40)
- Allocate correct-sized array when parsing packed fixed-width
primitives
(protocolbuffers/protobuf@4e8469c)
- Bugfix: Make extensions beyond n=16 immutable.
(protocolbuffers/protobuf@ee419f2)
- Reserve capacity in ProtobufArrayList when calling
Builder.addAllRepeatedMessage(Collection)
(protocolbuffers/protobuf@e3cc31a)
- Avoid allocating iterators when calling
Message.Builder.addAllFoo(RandomAccess List)
(protocolbuffers/protobuf@bd1887e)
- Remove the AnyMetadata class and use free functions instead.
(protocolbuffers/protobuf@920d5c3)
- Add `[[deprecated]]` attribute when generating enums and classes.
(protocolbuffers/protobuf@23aada2)
- Binary compatibility shims for GeneratedMessageV3,
SingleFieldBuilderV3, RepeatedFieldBuilderV3, and their nested classes
to restore binary compatibility with <=v3.x.x generated code built
against v3.x.x prior to v4.26.0 breaking release.
(protocolbuffers/protobuf@df8a11e)
- Implement a mechanism to control the output format of Message.toString
within a Runnable instance.
(protocolbuffers/protobuf@737803e)
- Fix `TextFormat.Parser` to appropriately handle unknown values for
open enums
(protocolbuffers/protobuf@df1aad4)
- Inline ArrayList's array into SmallSortedMap
(protocolbuffers/protobuf@910f627)
- Deprecated unused/obsolete mutable APIs, to be removed in next
breaking change.
(protocolbuffers/protobuf@e889b0b)

##### Kotlin

- Give Kotlin jars an OSGi Manifest
([#&#8203;18812](https://redirect.github.com/protocolbuffers/protobuf/issues/18812))
(protocolbuffers/protobuf@0c51eba)
- Support building //java with bzlmod
(protocolbuffers/protobuf@507ba36)
- Replace deprecated use of `toBytes()` with `Character` property
`.code`
([#&#8203;18236](https://redirect.github.com/protocolbuffers/protobuf/issues/18236))
(protocolbuffers/protobuf@5d9deab)

### Csharp

- Begin adding extension numbers to SourceCodeInfo and FileDescriptorSet
for tooling purposes.
(protocolbuffers/protobuf@07e489d)

### Objective-C

- \[ObjC] Make debug runtime tell developers to update their generated
code.
(protocolbuffers/protobuf@cdd3cf7)
- \[ObjC] Issue stderr warnings for deprecated generation options.
(protocolbuffers/protobuf@e9140a1)
- \[ObjC] Deprecate GPBUnknownFieldSet and related apis.
(protocolbuffers/protobuf@d794139)
- \[ObjC] Deprecate GPBTextFormatForUnknownFieldSet().
(protocolbuffers/protobuf@55e997e)

### Python

- Fix a python bug when assign an empty Struct at creation.
([#&#8203;18977](https://redirect.github.com/protocolbuffers/protobuf/issues/18977))
(protocolbuffers/protobuf@bb0d575)
- Add a deprecation warning to py_proto_library
([#&#8203;19032](https://redirect.github.com/protocolbuffers/protobuf/issues/19032))
(protocolbuffers/protobuf@53cde64)
- Load Python rules everywhere in protobuf
(protocolbuffers/protobuf@a18f0de)
- Fix cord handling in DynamicMessage and oneofs.
(protocolbuffers/protobuf@9e8b30c)
- Fix packed reflection handling bug in edition 2023.
(protocolbuffers/protobuf@4c92328)
- Fix ContainerBase::DeepCopy to not modify the source object.
(protocolbuffers/protobuf@9fa1f4f)
- Introduce lifetimes for individual feature values.
(protocolbuffers/protobuf@0b6e768)
- Nextgen Proto Pythonic API: Add any.py
(protocolbuffers/protobuf@dd95e5b)
- Add test that tries to parse a JSON string that exceeds the recursion
limit.
(protocolbuffers/protobuf@5a22455)
- Raise warnings for deprecated python cpp extension GetDebugString().
(protocolbuffers/protobuf@b70c4b0)
- Nextgen Proto Pythonic API: Add duration.py
(protocolbuffers/protobuf@903c3f1)
- Nextgen Proto Pythonic API: Add timestamp.py
(protocolbuffers/protobuf@ee26f27)
- \-Remove service.py usages in builder
(protocolbuffers/protobuf@2967c52)
- Raise warnings for deprecated google/protobuf/reflection.py APIs.
(protocolbuffers/protobuf@55705f8)

### PHP

- Fix: do not throw deprecated warning on field getters for default
values
([#&#8203;17788](https://redirect.github.com/protocolbuffers/protobuf/issues/17788))
(protocolbuffers/protobuf@6d84da5)

##### PHP C-Extension

- Fixed non-conformance in JSON parsing for empty strings in numeric
fields.
([#&#8203;19259](https://redirect.github.com/protocolbuffers/protobuf/issues/19259))
(protocolbuffers/protobuf@b69ea96)
-   *See also UPB changes below, which may affect PHP C-Extension.*

### Ruby

- Fixed non-conformance in JSON parsing for empty strings in numeric
fields.
([#&#8203;19259](https://redirect.github.com/protocolbuffers/protobuf/issues/19259))
(protocolbuffers/protobuf@b69ea96)
- Remove codes for unsupported Ruby
([#&#8203;17353](https://redirect.github.com/protocolbuffers/protobuf/issues/17353))
(protocolbuffers/protobuf@184f3a3)
- \[Ruby] Warn if assigning a "UTF-8" string with invalid UTF-8.
([#&#8203;17253](https://redirect.github.com/protocolbuffers/protobuf/issues/17253))
(protocolbuffers/protobuf@b07e4b1)

##### Ruby C-Extension

- Fixed non-conformance in JSON parsing for empty strings in numeric
fields.
([#&#8203;19259](https://redirect.github.com/protocolbuffers/protobuf/issues/19259))
(protocolbuffers/protobuf@b69ea96)
- Fix a potential Ruby-upb use of uninitialized memory.
(protocolbuffers/protobuf@4d75c82)
- \[Ruby] Warn if assigning a "UTF-8" string with invalid UTF-8.
([#&#8203;17253](https://redirect.github.com/protocolbuffers/protobuf/issues/17253))
(protocolbuffers/protobuf@b07e4b1)
-   *See also UPB changes below, which may affect Ruby C-Extension.*

### UPB (Python/PHP/Ruby C-Extension)

- Fixed non-conformance in JSON parsing for empty strings in numeric
fields.
([#&#8203;19259](https://redirect.github.com/protocolbuffers/protobuf/issues/19259))
(protocolbuffers/protobuf@b69ea96)
- Load Python rules everywhere in protobuf
(protocolbuffers/protobuf@a18f0de)
- Fix a potential Ruby-upb use of uninitialized memory.
(protocolbuffers/protobuf@4d75c82)
- Fixed `NAN`/`INFINITY` definitions to work on Windows 11 SDK.
(protocolbuffers/protobuf@0309d86)

### Other

- Fix typo in BCR maintainer name config for acozzette@
([#&#8203;19307](https://redirect.github.com/protocolbuffers/protobuf/issues/19307))
(protocolbuffers/protobuf@02cffa4)
- Remove Bazel 6 in BCR presubmits
([#&#8203;19309](https://redirect.github.com/protocolbuffers/protobuf/issues/19309))
(protocolbuffers/protobuf@7537b03)
- Upgrade rules_cc 0.0.15 and rules_java 8.3.1
([#&#8203;19215](https://redirect.github.com/protocolbuffers/protobuf/issues/19215))
(protocolbuffers/protobuf@fb8ee79)
- Upgrade rules_java and remove experimental_google_legacy_api flag
([#&#8203;18889](https://redirect.github.com/protocolbuffers/protobuf/issues/18889))
(protocolbuffers/protobuf@f25389b)
- Replace use of C++17 with disabling a warning
(protocolbuffers/protobuf@111584f)
- Load Shell rules everywhere in protobuf
(protocolbuffers/protobuf@1822c8a)
- Fix Bazel dependency cycle issue affecting Kythe
([#&#8203;18768](https://redirect.github.com/protocolbuffers/protobuf/issues/18768))
(protocolbuffers/protobuf@6df33a4)
- Remove rules_rust dependency
(protocolbuffers/protobuf@4329b89)
- Remove release branch staleness tests.
(protocolbuffers/protobuf@3551ee3)
- Remove javaopts requiring java8 in non-release builds.
(protocolbuffers/protobuf@98beac0)
- Docs: add nebius.ai custom options to registry
([#&#8203;18297](https://redirect.github.com/protocolbuffers/protobuf/issues/18297))
(protocolbuffers/protobuf@e5d2dbd)
- Protobuf-mode: add edition keyword for syntax highlighting
(protocolbuffers/protobuf@1384512)

</details>

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bin/protoc

@@ -1 +1 @@
-.protoc-28.3.pkg
+.protoc-29.0.pkg

python-runtime/ftl/pyproject.toml

@@ -8,7 +8,7 @@ authors = [
 ]
 requires-python = ">=3.12"
 dependencies = [
-    "protobuf>=5.28.3",
+    "protobuf>=5.29.1",
 ]
 
 [build-system]