Automatic rotation of regional Cloud SQL database credentials in Secret Manager

## Feature Feature Automatic rotation of regional Cloud SQL database credentials in Secret Manager is available in[Preview](https://cloud.google.com/products#product-launch-stages). This feature lets you automatically generate secure passwords, update target Cloud SQL database instances (PostgreSQL or SQL Server), and rotate secret versions on a configured schedule without custom Cloud Run functions. For more information, see [Automatic rotation of Cloud SQL secrets](https://cloud.google.com/secret-manager/regional-secrets/autorotation-of-cloudsql-secrets-rs).