Improve explicit cursor handling in pg_stat_statements

When Who What
2025-07-01 23:43:22 Michael Paquier (michael-kun) Closed in commitfest PG19-1 with status: Committed
2025-06-30 13:02:45 CFbot Patch does not need rebase anymore
2025-06-13 14:58:31 CFbot Patch needs rebase
2025-06-06 02:06:56 Michael Paquier (michael-kun) New status: Ready for Committer
2025-06-06 02:06:53 Michael Paquier (michael-kun) Added michael-kun as reviewer
2025-06-05 01:08:10 Michael Paquier (michael-kun) Added michael-kun as committer
2025-06-05 01:08:05 Michael Paquier (michael-kun) New status: Waiting on Author
2025-04-30 20:11:20 Sami Imseih (simseih) Attached mail thread CAA5RZ0tA6LbHCg2qSS+KuM850BZC_+ZgHV7Ug6BXw22TNyF+MA@mail.gmail.com
2025-04-30 20:11:20 Sami Imseih (simseih) Created patch record