[gnome-boxes] (5 commits) Non-fast-forward update to branch flatpak-gnome-3-28

[Felipe Borges <felipeborges src gnome org>]

The branch 'flatpak-gnome-3-28' 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:

  91cd9d7... build: Explicitly target glib 2.38 for Gtk templates
  2e137bc... vm-configurator: Use VIRTIO video adapter for new VMs
  81a506b... build: Don't build with ovirt and gudev support in a flatpa
  388b514... Add flatpak manifest

Commits added to the branch:

  ff5ece3... Update zh_CN translation (*)
  47ed95d... build: Explicitly target glib 2.38 for Gtk templates
  62c7acf... vm-configurator: Use VIRTIO video adapter for new VMs
  81d5bf8... build: Don't build with ovirt and gudev support in a flatpa
  4f4b096... Add flatpak manifest

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