[gnome-shell] (4 commits) Non-fast-forward update to branch wip/fmuellner/fix-stable-ci

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/fmuellner/fix-stable-ci' 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:

  c7ac5ee... ci: Silence some warnings
  6988732... ci: Fix checking out mutter for stable branches
  694d917... ci: Handle merge requests for non-master branches

Commits added to the branch:

  435d9ed... ci: Ensure we clone a deep enough history for commit review (*)
  8cefd91... ci: Silence some warnings
  6db9f51... ci: Fix checking out mutter for stable branches
  e5cfdf9... ci: Handle merge requests for non-master branches

(*) This commit already existed in another branch; no separate mail sent