[gimp] (5 commits) Non-fast-forward update to branch alxsa-softproof-toggle-button

[Jehan <jehanp src gnome org>]

The branch 'alxsa-softproof-toggle-button' 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:

  07b8e6f... display: Add soft-proof toggle to status bar

Commits added to the branch:

  e6ce33e... gitlab-ci: distribute the meson-generated tarball as well. (*)
  ccbf3c4... app, libgimp*: add various stamp files to CLEANFILES. (*)
  f5751ec... libgimp: don't run defcheck.py on Windows. (*)
  8d489b2... gitlab-ci: make gimp-meson-debian more robust to source upd (*)
  95a4e97... display: Add soft-proof toggle to status bar

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