chore(gradle): bump software.amazon.awssdk:bom from 2.29.20 to 2.30.16

Bumps software.amazon.awssdk:bom from 2.29.20 to 2.30.16.

---
updated-dependencies:
- dependency-name: software.amazon.awssdk:bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ airlift = "2.0.2"
 arrow = "18.0.0"
 autoservice = "1.1.1"
 avro = "1.12.0"
-awssdk = "2.29.20"
+awssdk = "2.30.16"
 # See dependency matrix for particular gRPC versions at https://github.com/grpc/grpc-java/blob/master/SECURITY.md#netty
 boringssl = "2.0.61.Final"
 calcite = "1.38.0"