zuul: layout: Add openSUSE job for ansible-hardening OSA role
zuul: layout: Add openSUSE job for ansible-hardening OSA role

ansible-hardening is used in OSA so add the experimental openSUSE
job which is already present on the rest of the OSA repositories.

Change-Id: I4813480a509f4a71250ac2914e51e4d1699a34a1

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