In some distant past, stc-ng had some clear troubles while deploying the
machine when we were bootstrapping infra.
This was fixed by rolling back to the old stc. Having retried right now,
stc-ng seems to transition the new system correctly, so let's switch to
it for the time being.
Change-Id: I99f92618841b49357a28212955b62bf5e495e761
Signed-off-by: Raito Bezarius <raito@lix.systems>
Reviewed-on: https://cl.snix.dev/c/snix/+/30503
Tested-by: besadii
Reviewed-by: Florian Klink <flokli@flokli.de>