[gimp] Non-fast-forward update to branch wip/Jehan/win-native-builds-failing

[Jehan <jehanp src gnome org>]

The branch 'wip/Jehan/win-native-builds-failing' 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:

  404da4b... Test with V=1!
  2777581... build: use older GObject Introspection for native Windows b
  804f048... build: use pacman -U because MSYS2 does not support install
  12182dc... The -runtime package must be installed first because of dep
  379adfd... Do not ask questions!
  330a219... build: do not export CC!
  5c5e068... WIP.

Commits added to the branch:

  918b6bc... build: use older GObject Introspection for native Windows b