[grilo-plugins] (4 commits) Non-fast-forward update to branch sam/grilo-subproject

[Sam Thursfield <sthursfield src gnome org>]

The branch 'sam/grilo-subproject' 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:

  7f5ec68... build: Allow building grilo as a Meson subproject
  d33d9b2... ci: Use subproject feature to build Grilo

Commits added to the branch:

  46d7c0e... tracker: Fix crash if chromaprint plugin isn't installed (*)
  39e51d9... tracker: Guard against invalid key mappings (*)
  873079b... build: Allow building grilo as a Meson subproject
  6e65383... ci: Use subproject feature to build Grilo

(*) This commit already existed in another branch; no separate mail sent