[gnome-music] (4 commits) Non-fast-forward update to branch wip/mschraal/type-checking

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/type-checking' 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:

  e7f36c0... CI: Add static type checking pass
  8dae1fb... coresong: Add static typing
  560cf64... grltrackerwrapper: Cleanup timeout handling
  70084c2... grltrackerwrapper: Add static type checking

Commits added to the branch:

  c701291... CI: Add static type checking pass
  569f5f6... coresong: Add static typing
  d082f36... grltrackerwrapper: Cleanup timeout handling
  4ef5a87... grltrackerwrapper: Add static type checking