chore(deps): update aws-lc-sys requirement

Updates the requirements on [aws-lc-sys](https://github.com/aws/aws-lc-rs) to permit the latest version.
- [Release notes](https://github.com/aws/aws-lc-rs/releases)
- [Commits](aws/aws-lc-rs@aws-lc-sys/v0.25.0...aws-lc-sys/v0.28.0)

---
updated-dependencies:
- dependency-name: aws-lc-sys
  dependency-type: direct:production
...

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

Author: dependabot[bot]

DynamoDbEncryption/runtimes/rust/Cargo.toml

@@ -18,7 +18,7 @@ readme = "README.md"
 [dependencies]
 aws-config = "1.5.15"
 aws-lc-rs = "1.12.2"
-aws-lc-sys = "0.25.0"
+aws-lc-sys = "0.28.0"
 aws-sdk-dynamodb = "1.62.0"
 aws-sdk-kms = "1.57.0"
 aws-smithy-runtime-api = {version = "1.7.3", features = ["client"] }