reference: Replace reference to gtk3 with gtk4

4 jobs for wip/sadiq/fixes in 13 minutes and 22 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build
passed fedora-x86_64 #31075

00:06:12

passed msys2-mingw32 #31076
win32

00:07:41

 
  Flatpak
passed flatpak:demo #31077

00:05:26

passed flatpak:widget-factory #31078

00:05:21