[gimp] (2 commits) Non-fast-forward update to branch alxsa-import-export-ani-files

[Alx Sa <sawyeralex src gnome org>]

The branch 'alxsa-import-export-ani-files' 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:

  e4b959f... plug-ins: Add .ani file import/export

Commits added to the branch:

  e7faae1... INSTALL: update the build instructions to target meson. (*)
  bd592fb... plug-ins: Add .ani file import/export

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