[retro-gtk] (17 commits) Non-fast-forward update to branch retro-screen

[Adrien Plazas <aplazas src gnome org>]

The branch 'retro-screen' 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:

  480c054... 🤷

Commits added to the branch:

  3b977ba... flatpak: Drop useless build options (*)
  95923d1... retro-core: Use a weak ref for keyboard widget (*)
  8ca26f4... retro-core: Add missing property getters (*)
  c8534cc... meson: Actually use the 'm' dependency (*)
  959da69... Add RetroMainLoopSource (*)
  b004538... retro-core: Use RetroMainLoopSource for timing (*)
  86c2c85... retro-core: Add 'iterated' signal (*)
  fed306b... retro-core: Add retro_core_get_sample_rate() (*)
  47a2e57... retro-pa-player: Bufferize samples on each frame (*)
  9809681... retro-core: Stop bufferizing samples (*)
  daf663d... meson: Add libsamplerate dependency (*)
  e455ddb... retro-pa-player: Resample audio for non-1 speed rates (*)
  1c0a16c... retro-core: Rename run() to iteration() (*)
  6b3cc1d... retro-core: Rename start() to run() (*)
  dca3c07... retro-core: Remove an extra 'iterated' emission (*)
  a4bdf09... retro-pa-player: Fix resample loop condition (*)
  652aa0e... 🤷

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