- project:
    templates:
      - check-requirements
      - openstack-python3-victoria-jobs
      - publish-openstack-docs-pti
      - release-notes-jobs-python3

- project:
    templates:
      - check-requirements
      - openstack-python3-xena-jobs
      - publish-openstack-docs-pti
      - release-notes-jobs-python3

Switch testing to Xena testing runtime
 Switch testing to Xena testing runtime

Upating the tetsing template to Xena testing runtime:
https://governance.openstack.org/tc/reference/runtimes/xena.html

Change-Id: I6fc8fe8ff45e5d2d9a11d6a4d895487604a18cb4
