Release 1.138.0

• Special shout-outs to @acpana, @anhdle-sso, @gemmahou, @justinsb, @maqiuyujoyce, @xiaoweim, @yuwenma for their contributions to this release.

New Beta Resources (Direct Reconciler):

• BackupDRBackupVault
• OrgPolicyCustomConstraint

New Alpha Resources (Direct Reconciler):

• FirestoreBackupSchedule
• FirestoreDocument

Reconciliation Improvements:

• Improved Normalization logic for OrgPolicy, RunJob, TagsTagBinding, and VertexAIIndex resources.

New features:

• Support export for RunJob and FirestoreDatabase.

Bug Fixes:

• Fixed format validation issue in the DataflowFlexTemplateJob direct controller when the
  spec.subnetworkRef.external field contains full URL. (#5268)
• Updated status.observedGeneration in ConfigConnector object. (#5507)