fix(build): Revert samples back to 2.4.0-M3 because of missing dependency
fix(build): Revert samples back to 2.4.0-M3 because of missing dependency

GoogleCloudPlatform/spring-cloud-gcp,GoogleCloudPlatform/spring-cloud-gcp,GoogleCloudPlatform/spring-cloud-gcp,GoogleCloudPlatform/spring-cloud-gcp,GoogleCloudPlatform/spring-cloud-gcp