a60ceaa377
Since Gtk and Gdk are no longer hard dependencies, gi-docgen considers them related libraries. They will not show up in the documentation if they are tagged as dependencies without actually being dependencies. See: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2407 Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2788>