Promotes a read replica DB cluster to a standalone DB cluster.
See https://paws-r.github.io/docs/rds/promote_read_replica_db_cluster.html for full documentation.
rds_promote_read_replica_db_cluster(DBClusterIdentifier)[required] The identifier of the DB cluster read replica to promote. This parameter isn't case-sensitive.
Constraints:
Must match the identifier of an existing DB cluster read replica.
Example: my-cluster-replica1