[gedit] (3 commits) Non-fast-forward update to branch wip/chergert/gsv-4

[Jeremy Bicha <jbicha src gnome org>]

The branch 'wip/chergert/gsv-4' 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:

  c51b4b6... post-release version bump
  4b38d65... build: port to gtksourceview-4

Commits added to the branch:

  967b27b... file chooser: use g_object_unref to free a native dialog (*)
  94955d1... post-release version bump
  742a7c0... build: port to gtksourceview-4

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