[cli-ref] Update python-openstackclient to 3.2.0
[cli-ref] Update python-openstackclient to 3.2.0

Change-Id: Ic7a74e8aecf20bd65b16f5126f001569fcf257c0

openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals