[zuul] Enable Tempest cleanup

This patch enables the Tempest cleanup feature that cleans all
resources created during the Tempest test execution.

Depends-On: openstack-k8s-operators/ci-framework#2381

.zuul.yaml

@@ -37,6 +37,7 @@
 
       # Tempest
       cifmw_run_tempest: true
+      cifmw_test_operator_tempest_cleanup: true
       cifmw_test_operator_tempest_include_list: |
         ^tempest.
       cifmw_test_operator_tempest_exclude_list: |