[gnome-music] Non-fast-forward update to branch wip/jfelder/mpris-gsconnect-debug

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/mpris-gsconnect-debug' 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:

  2e6d563... mpris: Handle clients which request the volume property

Commits added to the branch:

  df10c1b... mpris: Handle clients which request the volume property