Add Python3 zed unit tests

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

See also the PTI in governance [1].

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

Change-Id: I7ac9a2c84d60ca722e2343a5ca21d8c8b2b1ba71

zuul.d/project.yaml

@@ -3,8 +3,8 @@
       - check-requirements
       - openstack-cover-jobs
       - openstack-lower-constraints-master-branch-jobs
-      - openstack-python3-yoga-jobs
-      - openstack-python3-yoga-jobs-arm64
+      - openstack-python3-zed-jobs
+      - openstack-python3-zed-jobs-arm64
       - periodic-stable-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3