b19086ccfa
Even though XWayland 22i.1 (the version in Debian Bookworm) supports modifiers, it refuses to use the GBM back-end if wl_drm is not available. We need XWayland 24.1 in order to get GBM support without wl_drm. Reviewed-by: Eric Engestrom <eric@igalia.com> Reviewed-by: Valentine Burley <valentine.burley@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36026>