Bump govuk_app_config from 9.15.8 to 9.16.0

Bumps [govuk_app_config](https://github.com/alphagov/govuk_app_config) from 9.15.8 to 9.16.0.
- [Changelog](https://github.com/alphagov/govuk_app_config/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk_app_config@v9.15.8...v9.16.0)

---
updated-dependencies:
- dependency-name: govuk_app_config
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -105,7 +105,7 @@ GEM
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
     coderay (1.1.3)
-    concurrent-ruby (1.3.4)
+    concurrent-ruby (1.3.5)
     connection_pool (2.5.0)
     crack (1.0.0)
       bigdecimal
@@ -209,7 +209,7 @@ GEM
       rake (>= 13)
     googleapis-common-protos-types (1.18.0)
       google-protobuf (>= 3.18, < 5.a)
-    govuk_app_config (9.15.8)
+    govuk_app_config (9.16.0)
       logstasher (~> 2.1)
       opentelemetry-exporter-otlp (>= 0.25, < 0.30)
       opentelemetry-instrumentation-all (>= 0.39.1, < 0.72.0)
@@ -362,10 +362,10 @@ GEM
       opentelemetry-common (~> 0.20)
       opentelemetry-sdk (~> 1.2)
       opentelemetry-semantic_conventions
-    opentelemetry-helpers-mysql (0.1.2)
+    opentelemetry-helpers-mysql (0.2.0)
       opentelemetry-api (~> 1.0)
       opentelemetry-common (~> 0.21)
-    opentelemetry-helpers-sql-obfuscation (0.2.1)
+    opentelemetry-helpers-sql-obfuscation (0.3.0)
       opentelemetry-common (~> 0.21)
     opentelemetry-instrumentation-action_mailer (0.3.0)
       opentelemetry-api (~> 1.0)
@@ -658,7 +658,7 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.2.1)
-    rdoc (6.10.0)
+    rdoc (6.11.0)
       psych (>= 4.0.0)
     redis-client (0.23.0)
       connection_pool