[gimp-macos-build] Non-fast-forward update to branch wip/DesMcG/tests

[Jehan <jehanp src gnome org>]

The branch 'wip/DesMcG/tests' 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:

  6ffd183... Redirect the CircleCI build to my repo so I can update modu
  321b5c6... Merge branch 'wip/DesMcG/tests' into 'wip/DesMcG/tests'

Commits added to the branch:

  23be532... README: minor update. (*)

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