[gnome-games] (6 commits) Non-fast-forward update to branch wip/exalm/stabilize

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/stabilize' 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:

  9807f98... flatpak: Drop not yet usable Libretro cores
  3fd91c8... flatpak: Stabilize the Libretro core manifests
  e5c57e9... flatpak: Stabilize the manifest
  a008bd0... flatpak: Stabilize unit test manifest
  62c9c47... flatpak: Switch to 40 SDK
  919fb44... ci: Switch to 40 images

Commits added to the branch:

  afd75e5... flatpak: Drop not yet usable Libretro cores
  88e80e9... flatpak: Stabilize the Libretro core manifests
  bbac8ca... flatpak: Stabilize the manifest
  a1a9343... flatpak: Stabilize unit test manifest
  7c9f0d2... flatpak: Switch to 40 SDK
  21f72dc... ci: Switch to 40 images