Cloud SQL has made the following enhancements to expand the list of eligible

## Fix Fixed Cloud SQL has made the following enhancements to expand the list of eligible Cloud SQL Enterprise Plus edition instances that support planned operations with[near-zero downtime](https://cloud.google.com/sql/docs/postgres/availability#near-zero-downtime). * Instances with [connector enforcement enabled](https://cloud.google.com/sql/docs/postgres/connect-connectors#enforce)are eligible for planned operations with near-zero downtime. * Instances that use [private services access](https://cloud.google.com/sql/docs/postgres/configure-private-services-access)with a non-RFC 1918 IP address are eligible for planned operations with near-zero downtime.