This is only used by Fedora CoreOS derivatives, and
we don't include the corresponding sudo rule.
The motivation here is that this group in particular has
no corresponding systemd sysusers.d, and a future bootc
is going to check for that.
Closes: https://gitlab.com/fedora/bootc/base-images/-/issues/41
Signed-off-by: Colin Walters <walters@verbum.org>