build(deps): update aws-sdk-kms requirement from 0.31 to 0.38

Updates the requirements on [aws-sdk-kms](https://github.com/awslabs/aws-sdk-rust) to permit the latest version.
- [Release notes](https://github.com/awslabs/aws-sdk-rust/releases)
- [Changelog](https://github.com/awslabs/aws-sdk-rust/blob/main/CHANGELOG.md)
- [Commits](https://github.com/awslabs/aws-sdk-rust/commits)

---
updated-dependencies:
- dependency-name: aws-sdk-kms
  dependency-type: direct:production
...

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

Cargo.toml

@@ -18,7 +18,7 @@ serde_with = { version = "3.3" }
 openssl = { version = "0.10", optional = true }
 tss-esapi = { version = "6.1", optional = true }
 aws-config = { version = "0.56", optional = true }
-aws-sdk-kms = { version = "0.31", optional = true }
+aws-sdk-kms = { version = "0.38", optional = true }
 tokio = { version = "1.20", features = ["rt", "macros"], optional = true }
 
 [dependencies.serde]