Updating ose-openstack-machine-controllers builder & base images to be consistent with ART#156

openshift-bot wants to merge 1 commit intoopenshift:release-4.6openshift/cluster-api-provider-openstack:release-4.6from

openshift-bot:art-consistency-openshift-4.6-ose-openstack-machine-controllersopenshift-bot/cluster-api-provider-openstack:art-consistency-openshift-4.6-ose-openstack-machine-controllersCopy head branch name to clipboard