Support for backing up and restoring workloads managed via the legacy appliance management console is deprecated

## Deprecate Deprecated Support for backing up and restoring workloads managed via the legacy appliance management console is deprecated. Key milestones for this deprecation include the following: * **End of Support for New Backups**: After September 30, 2027, you will no longer be able to run new backups using the legacy stack. * **End of Standard Restores**: Support for standard restores, exports, and migrations using the legacy appliance management console continues till March 31, 2028. For more information, see [Deprecations](https://cloud.google.com/backup-disaster-recovery/docs/deprecations).