Add opensuse 42.3 support to nodepool-dsvm jobs
Add opensuse 42.3 support to nodepool-dsvm jobs

We'd like to start building opensuse 42.3 since we use it in
openstack-infra.

Change-Id: I3c57fdda6b112b50da7e02fd97fcae1a3003de24
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack-infra/project-config,openstack-infra/project-config