Bump com.google.cloud:libraries-bom from 26.42.0 to 26.43.0

Bumps [com.google.cloud:libraries-bom](https://github.com/googleapis/java-cloud-bom) from 26.42.0 to 26.43.0.
- [Release notes](https://github.com/googleapis/java-cloud-bom/releases)
- [Changelog](https://github.com/googleapis/java-cloud-bom/blob/main/release-please-config.json)
- [Commits](googleapis/java-cloud-bom@v26.42.0...v26.43.0)

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

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -111,7 +111,7 @@ ehcache3 = { module = "org.ehcache:ehcache", version.ref = "ehcache3" }
 felixFramework = "org.apache.felix:org.apache.felix.framework:7.0.5"
 felixScr = "org.apache.felix:org.apache.felix.scr:2.2.12"
 gmetric4j = { module = "info.ganglia.gmetric4j:gmetric4j", version.ref = "gmetric4j" }
-googleCloudLibrariesBom = { module = "com.google.cloud:libraries-bom", version = "26.42.0" }
+googleCloudLibrariesBom = { module = "com.google.cloud:libraries-bom", version = "26.43.0" }
 googleCloudMonitoring = { module = "com.google.cloud:google-cloud-monitoring", version.ref = "google-cloud-monitoring" }
 googleOauth2Http = { module = "com.google.auth:google-auth-library-oauth2-http", version = "1.23.0"}
 grpcApi = { module = "io.grpc:grpc-api", version.ref = "grpc" }