chore(deps): update dependency com.google.api.grpc:grpc-google-cloud-bigtable-v2 to v2.1.2 (#1480)
chore(deps): update dependency com.google.api.grpc:grpc-google-cloud-bigtable-v2 to v2.1.2 (#1480)


googleapis/gax-java,googleapis/gax-java,vam-google/gax-java,vam-google/gax-java