[gnome-music] Non-fast-forward update to branch wip/jfelder/3-34-stable-runtime

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/3-34-stable-runtime' 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:

  4029c72... flatpak: Mark as stable 3.34
  f095521... flatpak: Switch to 3.34 runtime and branch

Commits added to the branch:

  fdbe03c... flatpak: Mark as stable 3.34 and switch to 3.34 branch