[cli-ref] Update python-novaclient to 5.0.0
[cli-ref] Update python-novaclient to 5.0.0

Change-Id: Ieab4e199361d7d9a7a1730afc6492d982df33e8d

openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals