This adds the new focal nodepool launchers replacements for nl02-04 to
our inventory. This will configure them with an idle configuration. We
then confirm they are happy running in an idle state then switch over
the config from the old to new servers.
Depends-On: https://review.opendev.org/c/openstack/project-config/+/780982
Change-Id: Iea645925caaeee6f498aa690c4f2c848f6899317