Bump the openstack-python3 jobs to xena

So that we get the current set of jobs including py39 testing.

Change-Id: I39e1bcc91066cddd494686e297af96ff526f4c28
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 923a597..698df53 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -3,7 +3,7 @@
       - check-requirements
       - integrated-gate-py3
       - openstack-cover-jobs
-      - openstack-python3-victoria-jobs
+      - openstack-python3-xena-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check: