[gnome-music] (10 commits) Non-fast-forward update to branch wip/jfelder/mpris-cleanup

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/mpris-cleanup' 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:

  79a12ff... mpris: Change naming convention to snake_case
  7da0020... mpris: Move dbus connection logic to DBusInterface
  79135d8... mpris: Handle signals emissions internally
  4a4cb10... mpris: Make app attribute internal
  4d50a14... mpris: Make player attribute internal
  3410706... mpris: Add doctring for all MPRIS methods
  853cab8... mpris: Fix some PEP-8 issues
  e63dc18... CI: Remove mpris.py from flake8 ignored files
  0cf00b4... mpris: Update copyright information

Commits added to the branch:

  09f66ab... mpris: Change naming convention to snake_case
  70fdbc0... mpris: Move dbus connection logic to DBusInterface
  c64f9ea... mpris: Asynchronously connect to session bus
  8ede999... mpris: Handle signals emissions internally
  2f4daee... mpris: Make app attribute internal
  a4a2eb6... mpris: Make player attribute internal
  91a6e83... mpris: Add doctring for all MPRIS methods
  7d83db0... mpris: Fix some PEP-8 issues
  a8b98dd... CI: Remove mpris.py from flake8 ignored files
  dae7c10... mpris: Update copyright information