Add instrumentation showing if Heap2/PRUNE records came from VACUUM or from opportunistic pruning

When Who What
2024-03-25 13:05:20 Heikki Linnakangas (heikki) Closed in commitfest 2024-03 with status: Committed
2024-03-25 13:05:20 Heikki Linnakangas (heikki) Changed committer to heikki
2024-02-01 17:31:59 vigneshwaran C (vignesh.postgres) Closed in commitfest 2024-01 with status: Moved to next CF
2023-12-09 21:51:11 Peter Geoghegan (pgeoghegan) Added annotation "v2 of the patch, changes thread subject" to CAH2-Wzmsevhox+HJpFmQgCxWWDgNzP0R9F+VBnpOK6TgxMPrRw@mail.gmail.com
2023-12-04 09:14:10 John Naylor (john.naylor) Closed in commitfest 2023-11 with status: Moved to next CF
2023-10-05 12:17:18 Heikki Linnakangas (heikki) Removed heikki from committers
2023-10-02 17:18:46 Peter Eisentraut (petere) Closed in commitfest 2023-09 with status: Moved to next CF
2023-10-02 14:52:39 Peter Geoghegan (pgeoghegan) New status: Needs review
2023-10-02 09:21:42 Heikki Linnakangas (heikki) Closed in commitfest 2023-09 with status: Committed
2023-10-02 09:21:42 Heikki Linnakangas (heikki) Changed committer to heikki
2023-09-04 19:42:33 Melanie Plageman (melanieplageman) Added melanieplageman as reviewer
2023-08-01 21:11:07 Daniel Gustafsson (d_gustafsson) Closed in commitfest 2023-07 with status: Moved to next CF
2023-04-18 23:02:26 Peter Geoghegan (pgeoghegan) Added annotation "Patch appears in thread for pg 16 work on rmgr desc routines" to CAH2-Wz=0ztNEy+8G3_Xj56qPfZ7eJzrHtfOtGdLavjrZJJMmeA@mail.gmail.com
2023-04-18 23:01:27 Peter Geoghegan (pgeoghegan) Changed authors to Peter Geoghegan (pgeoghegan)
2023-04-18 23:01:13 Peter Geoghegan (pgeoghegan) Attached mail thread 20230109215842.fktuhesvayno6o4g@awork3.anarazel.de
2023-04-18 23:01:13 Peter Geoghegan (pgeoghegan) Created patch record