Stops automated backup replication for a DB instance.
See https://www.paws-r-sdk.com/docs/rds_stop_db_instance_automated_backups_replication/ for full documentation.
rds_stop_db_instance_automated_backups_replication(SourceDBInstanceArn)
[required] The Amazon Resource Name (ARN) of the source DB instance for which to
stop replicating automate backups, for example,
arn:aws:rds:us-west-2:123456789012:db:mydatabase
.