Regenerate bigtableadmin client (#6165)

Generated in GitHub action: https://togithub.com/googleapis/googleapis/google-api-php-client-services/actions/workflows/codegen.yaml

Author: yoshi-code-bot

src/BigtableAdmin/Resource/ProjectsInstancesTables.php

@@ -244,8 +244,10 @@ public function modifyColumnFamilies($name, ModifyColumnFamiliesRequest $postBod
    * request message. The wildcard (*) path is currently not supported. Currently
    * UpdateTable is only supported for the following fields: *
    * `change_stream_config` * `change_stream_config.retention_period` *
-   * `deletion_protection` If `column_families` is set in `update_mask`, it will
-   * return an UNIMPLEMENTED error.
+   * `deletion_protection` * `automated_backup_policy` *
+   * `automated_backup_policy.retention_period` *
+   * `automated_backup_policy.frequency` If `column_families` is set in
+   * `update_mask`, it will return an UNIMPLEMENTED error.
    * @return Operation
    * @throws \Google\Service\Exception
    */