v2.0.1-72

chore(workflows): extend expires to 3d, add auto-merge for doc updater

- Increase safe-output expiration from 1d to 3d across all gh-aw workflows
- Add auto-merge: true to daily-doc-updater safe-output PR config
- Maintenance schedule auto-adjusted from every 2h to every 12h

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>