Cloud SQL for MySQL now supports authentication via Secret Manager when executing SQL statements using the Data API (executeSql)

## Feature Feature Cloud SQL for MySQL now supports authentication via Secret Manager when executing SQL statements using the Data API (`executeSql`). You can store your database password in a regional secret in Secret Manager and pass the secret version resource name in your API request. For more information, see [Execute SQL statements on a Cloud SQL instance](https://cloud.google.com/sql/docs/mysql/executesql-instance#configure-db-user).