vacuumdb: add --dry-run

2025-12-09 19:35:23 Nathan Bossart (bossartn) Closed in commitfest PG19-4 with status: Committed 2025-12-05 15:54:55 Nathan Bossart (bossartn) New status: Ready for Committer 2025-11-20 21:47:01 Nathan Bossart (bossartn) New status: Needs review 2025-11-17 22:26:45 Nathan Bossart (bossartn) New status: Waiting on Author 2025-11-17 22:25:32 Nathan Bossart (bossartn) Added bossartn as committer 2025-11-17 22:25:30 Nathan Bossart (bossartn) Added bossartn as reviewer 2025-11-17 22:25:29 Nathan Bossart (bossartn) Attached mail thread CADkLM=ckHkX7Of5SrK7g0LokPUwJ=kk8JU1GXGF5pZ1eBVr0=Q@mail.gmail.com 2025-11-17 22:25:29 Nathan Bossart (bossartn) Created patch record