Rust version bump

Update minimum supported rust version (MSRV) to 1.68.2.

Signed-off-by: Eugene Koira <[email protected]>

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                rust: [1.67, stable, nightly]
+                rust: [1.68.2, stable, nightly]
                 key_feature_set:
                   - key_openssl_pkey
                   - key_kms

Cargo.toml

@@ -8,7 +8,7 @@ keywords = ["COSE"]
 categories = ["cryptography"]
 repository = "https://github.com/awslabs/aws-nitro-enclaves-cose"
 description = "This library aims to provide a safe Rust implementation of COSE, with COSE Sign1 currently implemented."
-rust-version = "1.67"
+rust-version = "1.68"
 
 [dependencies]
 serde_cbor = { version="0.11", features = ["tags"] }

README.md

@@ -6,7 +6,7 @@
 [crates.io]: https://crates.io/crates/aws-nitro-enclaves-cose
 [docs]: https://img.shields.io/docsrs/aws-nitro-enclaves-cose
 [docs.rs]: https://docs.rs/aws-nitro-enclaves-cose
-[msrv]: https://img.shields.io/badge/MSRV-1.67.1-blue
+[msrv]: https://img.shields.io/badge/MSRV-1.68.2-blue
 
 ## COSE for AWS Nitro Enclaves