[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:

  d35283f... CI: Add static type checking pass
  4d698c2... coresong: Add static typing
  79f25a6... grltrackerwrapper: Cleanup timeout handling
  eff6a9a... grltrackerwrapper: Add static type checking

Commits added to the branch:

  59b4642... CI: Add static type checking pass
  992383b... coresong: Add static typing
  a6be58a... grltrackerwrapper: Cleanup timeout handling
  dd01cc5... grltrackerwrapper: Add static type checking