Enable Continuous Audit tests in CI

Scenario continuous audit tests is being added
but will not run by default, since not all stable
branches have the zone_migration fixes needed to
make tests stable.

Depends-On: https://review.opendev.org/c/openstack/watcher-tempest-plugin/+/954264

Change-Id: I5c49b251a49ee439bad024a1cf2569fcbeb2eaf1
Signed-off-by: Douglas Viroel <viroel@gmail.com>

.zuul.yaml

@@ -85,6 +85,8 @@
               min_microversion: 1.29
             telemetry:
               ceilometer_polling_interval: 15
+            optimize:
+              run_continuous_audit_tests: true
       devstack_plugins:
         ceilometer: https://opendev.org/openstack/ceilometer
 
@@ -233,6 +235,7 @@
               datasource: prometheus
               extended_attributes_nova_microversion: "2.96"
               data_model_collectors_period: 120
+              run_continuous_audit_tests: true
       tempest_plugins:
         - watcher-tempest-plugin
       # All tests inside watcher_tempest_plugin.tests.scenario with tag "strategy"