[gnome-music] (9 commits) Non-fast-forward update to branch wip/mschraal/player-factor-out-gstreamer

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/player-factor-out-gstreamer' 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:

  69f1f86... player: Factor GStreamer out
  df785f5... player: Factor out scale UI handling
  7df1de0... player: Update scrobbling rules
  df8e22c... gstplayer: Simplify ReplayGain
  4a39f5d... CI: Remove player.py from flake8 exceptions
  f6c1487... playlists: Fix gi import versioning

Commits added to the branch:

  f54f9a1... playlistdialog: Rename headerbar title (*)
  8704cc3... playlistdialog: Add ellipsis to new-playlist-entry (*)
  0120101... playlistdialog: Change empty state image layout (*)
  60a62e4... player: Factor out GStreamer
  1c30b6e... player: Factor out progressbar handling
  e3bcb08... player: Update scrobbling rules
  7b20d83... gstplayer: Simplify ReplayGain
  8370788... CI: Remove player.py from flake8 exceptions
  d302996... playlists: Fix gi import versioning

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