[gimp] (3 commits) Non-fast-forward update to branch wip/Jehan/ci-improve-flatpak-build

[Jehan <jehanp src gnome org>]

The branch 'wip/Jehan/ci-improve-flatpak-build' 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:

  7224929... gitlab-ci: fix (again!) the gitlab-ci.
  fbe6a58... gitlab-ci: store flatpak-build output into a log file.

Commits added to the branch:

  f2c73f2... gitlab-ci: fix (again!) the gitlab-ci. (*)
  eeb7b63... gitlab-ci: store flatpak-build output into a log file. (*)
  60a5254... Revert "flatpak: Use exact version of GEGL (0.4.30)"

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