[libvirt] Set workers replicas to 1 for now
[libvirt] Set workers replicas to 1 for now

The installer rejects 0.

nak3/openshift-ansible,bparees/openshift-ansible,openshift/openshift-ansible,rhdedgar/openshift-ansible,mwoodson/openshift-ansible,akram/openshift-ansible,gburges/openshift-ansible,akram/openshift-ansible,nak3/openshift-ansible,kwoodson/openshift-ansible,mwoodson/openshift-ansible,rhdedgar/openshift-ansible,kwoodson/openshift-ansible,gburges/openshift-ansible,bparees/openshift-ansible,openshift/openshift-ansible