[gnome-photos] Non-fast-forward update to branch flatpak-ci

[Jordan Petridis <jpetridis src gnome org>]

The branch 'flatpak-ci' 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:

  08a2f4f... Flatpak: switch grilo to meson
  773e122... Add .gitlab-ci.yml

Commits added to the branch:

  2cd67b7... Add .gitlab-ci.yml (*)

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