ci: Add Fedora Rawhide target
This runs our test suite against the latest unstable versions of components. Note that the Rawhide image is not automatically rebuilt yet, see https://gitlab.gnome.org/GNOME/tracker-oci-images/-/issues/4
This runs our test suite against the latest unstable versions of components. Note that the Rawhide image is not automatically rebuilt yet, see https://gitlab.gnome.org/GNOME/tracker-oci-images/-/issues/4