ops: GitHub organization runbook, settings scripts, grouped Dependabot, secret-scan base after the history rewrite - #829

Bugbot Analysis Progress (11m 25s elapsed)

✅ Gathered PR context (4s)
✅ Completed bug detection (11m 20s)
✅ Posted analysis results (1s)

Final Result: Bugbot completed review - no issues found! ✅

Request ID: 6fbd2810-c8fa-474d-83a7-653171a72974