Update to 3.37.91.1
    
    ... and also rebase honor-firstboot-disabled.patch to deal with
    gis_ensure_stamp_files() now taking a GjsDriver parameter, and update it
    to use g_autoptr().
    
    I've also now submitted it upstream after talking to wjt:
    https://gitlab.gnome.org/GNOME/gnome-initial-setup/-/merge_requests/101