Add Python3 wallaby unit tests

This is an automatically generated patch to ensure unit testing
is in place for all the of the tested runtimes for wallaby.

See also the PTI in governance [1].

[1]: https://governance.openstack.org/tc/reference/project-testing-interface.html

Change-Id: Ia29b3cfbedefca0fb6be1e37f0e0b92dc76f41bf

zuul.d/project.yaml

@@ -2,7 +2,7 @@
 - project:
     templates:
       - openstack-cover-jobs
-      - openstack-python3-victoria-jobs
+      - openstack-python3-wallaby-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check: