Add jhvhs to the list of SIG/WG/UG Leads
Add jhvhs to the list of SIG/WG/UG Leads

jhvhs is the co-chair of of the Service Catalog SIG - https://github.com/kubernetes/community/blob/master/sig-service-catalog/README.md#chairs

kubernetes/k8s.io,kubernetes/k8s.io,kubernetes/k8s.io,kubernetes/k8s.io