[gnome-music] (5 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:

  e11b24c... CI: Add static type checking pass
  0a3e6c2... coresong: Add static typing
  d75ad06... grltrackerwrapper: Cleanup timeout handling
  d8c602b... grltrackerwrapper: Add static type checking

Commits added to the branch:

  31f67a1... Whitespace fixes
  d35283f... CI: Add static type checking pass
  4d698c2... coresong: Add static typing
  79f25a6... grltrackerwrapper: Cleanup timeout handling
  eff6a9a... grltrackerwrapper: Add static type checking