Bump software.amazon.msk:aws-msk-iam-auth from 2.2.0 to 2.3.0

Bumps [software.amazon.msk:aws-msk-iam-auth](https://github.com/aws/aws-msk-iam-auth) from 2.2.0 to 2.3.0.
- [Release notes](https://github.com/aws/aws-msk-iam-auth/releases)
- [Commits](aws/aws-msk-iam-auth@v2.2.0...v2.3.0)

---
updated-dependencies:
- dependency-name: software.amazon.msk:aws-msk-iam-auth
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 spring-boot = '3.4.2'
 
-aws-msk-auth = '2.2.0'
+aws-msk-auth = '2.3.0'
 azure-identity = '1.14.2'
 
 apache-commons-lang3 = '3.12.0'