[nautilus] Non-fast-forward update to branch wip/oholy/flatpak-master

[Ondrej Holy <oholy src gnome org>]

The branch 'wip/oholy/flatpak-master' 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:

  8aa8a0c... ci: Do not install GExiv2.py to fix flatpak master

Commits added to the branch:

  1f26d71... ci: Add -Dintrospection=false to fix flatpak master