[gtk] (4 commits) Non-fast-forward update to branch builder-precompile

[Matthias Clasen <matthiasc src gnome org>]

The branch 'builder-precompile' 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:

  da07284... buildertool: Add a precompile command
  f4c8eb9... Include precompiled versions of .ui files

Commits added to the branch:

  c7c6e83... Merge branch 'matthiasc/for-main' into 'main' (*)
  208769f... Merge branch 'optimize-precompile' into 'main' (*)
  319aa55... buildertool: Add a precompile command
  1cc3c01... Include precompiled versions of .ui files

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