[mutter] (5 commits) Non-fast-forward update to branch bilelmoussaoui/without-xwayland

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

The branch 'bilelmoussaoui/without-xwayland' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  6f61c2f... build: Allow disabling xwayland
  4dd4b01... ci: Disable xwayland when wayland is disabled
  bd7827d... wayland: Add a prepare-shutdown signal
  9674d14... wayland: Move Xwayland specific call to xwayland
  dbdde3f... ci: Add a Wayland only target

Commits added to the branch:

  b85cb33... build: Allow disabling xwayland
  ff7d1e6... ci: Disable xwayland when wayland is disabled
  04ad661... wayland: Add a prepare-shutdown signal
  51d5889... wayland: Move Xwayland specific call to xwayland
  3b5d307... ci: Add a Wayland only target