[evince] (3 commits) Non-fast-forward update to branch wip/gpoo/update-ci

[Germán Poo-Caamaño <gpoo src gnome org>]

The branch 'wip/gpoo/update-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:

  2023db9... flatpak: Add gi-docgen and its dependencies as modules
  fd19540... flatpak: Build introspection and API documentation
  31701c4... appdata: Fix missing tag

Commits added to the branch:

  7782688... flatpak: Add gi-docgen and its dependencies as modules
  d7bd225... flatpak: Build introspection and API documentation
  cf00559... appdata: Fix missing tag