Revisions 250, 251

Released to 8.0/edge
OCI images:

What's Changed

• Update sync_docs.yaml by @a-velasco in #479
• DPE-4643 ensure username uniqueness by @paulomach in #464
• DPE-4699 Set instance offline mode on restore by @paulomach in #478
• [DPE-4118] Add support for rescanning cluster for unit rejoin after node drain by @shayancanonical in #462

New Contributors

• @a-velasco made their first contribution in #479

Full Changelog: rev247...rev251