manage master user password

• https://github.com/hashicorp/terraform-provider-aws/blob/v4.61.0/CHANGELOG.md
• resource/aws_rds_cluster: Add manage_master_user_password, master_user_secret and master_user_secret_kms_key_id arguments to support RDS managed master password in Secrets Manager (#28848)

• resource/aws_db_instance: Add manage_master_user_password, master_user_secret and master_user_secret_kms_key_id arguments to support RDS managed master password in Secrets Manager (#28848)

See also

• Terraform RDS, Terraform module: rds, aws_db_instance, aws_rds_cluster, aws_rds_cluster_instance, aws_db_parameter_group, aws_db_subnet_group, aws_rds_global_cluster, aws_rds_cluster_parameter_group