[gnome-books] (5 commits) Non-fast-forward update to branch wip/hadess/app-provided-pixbuf-loader

[Bastien Nocera <hadess src gnome org>]

The branch 'wip/hadess/app-provided-pixbuf-loader' 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:

  841ff19... main: Load application provided pixbuf loaders
  801d4d7... flatpak: Use new application-provided pixbuf loaders

Commits added to the branch:

  c5c6a76... Update Serbian translation (*)
  166848d... build: Remove unused dep on libsoup (*)
  1da4eed... build: rename another Documents → Books reference (*)
  4d49e9b... main: Load application provided pixbuf loaders
  ce42ee1... flatpak: Use new application-provided pixbuf loaders

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