This has been fixed in GParted 1.3.1 released 2021-July-19 [1], by this commit [2].
Thanks, Mike Fleetwood (GParted Developer) [1] https://gparted.org/news.php?item=240 [2] Commit 325c6eb2 "Handle change in path for udisks2-inhibit executable (!84)" https://gitlab.gnome.org/GNOME/gparted/-/commit/325c6eb2475e1edc2d2a366b4f306f3713efb8d3
