a737296a9b
zun-wsproxy group is used in multinode[1], but it missing from site.yml this PS to fix this. [1]: https://github.com/openstack/kolla-ansible/blob/master/ansible/inventory/multinode#L676 Change-Id: I3b06f15dba5b6569202b038a28fb1a2728cffd25 Closes-Bug: #1799234