[cli-ref] Update python-gnocchiclient to 2.5.0
[cli-ref] Update python-gnocchiclient to 2.5.0

Change-Id: If0eb6fd53b8da08b186bc408e5919b1bc3ba399c

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