Add ``openstack vnflcm op show <vnf-lcm-op-occ-id>`` to python-tackerclient. This command can execute the get Individual VNF LCM Operation Occurrence by specifying vnf-lcm-op-occ-id as parameter. Implements: blueprint support-fundamental-lcm https://specs.openstack.org/openstack/tacker-specs/specs/wallaby/support-fundamental-vnf-lcm-based-on-ETSI-NFV.html Change-Id: Ibd24a2aa3ec90fbca4caabbcfb3c8a3883e4eae8