[gnome-games] (17 commits) ...mame: Only define platform with application/zip mime type

[Alexander Mikhaylenko <alexm src gnome org>]

Summary of changes:

  67eef14... Revert "flatpak: Ensure we use retro-gtk 0.18" (*)
  44d66e5... meson: Bump retro-gtk API version (*)
  6ad7d30... retro: Adapt to API changes in retro-gtk (*)
  8b0eb56... retro-runner: Remove game-init and game-deinit signals (*)
  54ea820... tmp: flatpak: Use subprocess branch of retro-gtk (*)
  9fbc41d... error-display: Support showing crashes (*)
  411a3a3... display-view: Handle runner crashes (*)
  f89b2a2... flatpak: Use opengl branch of retro-gtk (*)
  5071fa4... retro-runner: Fix loading n64 savestates (*)
  29d701e... flatpak: Add ParaLLel N64 core (*)
  d3290d4... Introduce Nintendo 64 plugin (*)
  63e6b6d... nintendo-64: Handle controller paks (*)
  efe4772... mame: Make extract-supported-games preprocess the file more (*)
  d634a92... mame: Regenerate supported-games (*)
  c2c995c... mame: Simplify parsing (*)
  b269882... meson: Reenable MAME plugin (*)
  fce7589... mame: Only define platform with application/zip mime type (*)

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