Bump com.google.cloud:google-cloud-monitoring from 3.29.0 to 3.30.0

Bumps [com.google.cloud:google-cloud-monitoring](https://github.com/googleapis/google-cloud-java) from 3.29.0 to 3.30.0.
- [Release notes](https://github.com/googleapis/google-cloud-java/releases)
- [Changelog](https://github.com/googleapis/google-cloud-java/blob/main/changelog.json)
- [Commits](https://github.com/googleapis/google-cloud-java/commits)

---
updated-dependencies:
- dependency-name: com.google.cloud:google-cloud-monitoring
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ dynatrace-utils = "2.0.1"
 ehcache2 = "2.10.9.2"
 ehcache3 = "3.10.8"
 gmetric4j = "1.0.10"
-google-cloud-monitoring = "3.29.0"
+google-cloud-monitoring = "3.30.0"
 grpc = "1.58.0"
 guava = "32.1.2-jre"
 guice = "5.1.0"