Add tempest-multinode-full-py3 job in gate pipeline

tempest-multinode-full-py3 is voting job running
in check pipeline only, we should run it in gate
pipeline also.

Change-Id: Ifdd7e48b31ef29c54b2bfa805e1eb3197589f925
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 404990c..445b45f 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -142,6 +142,8 @@
             irrelevant-files: *tempest-irrelevant-files
         - tempest-ipv6-only:
             irrelevant-files: *tempest-irrelevant-files-3
+        - tempest-multinode-full-py3:
+            irrelevant-files: *tempest-irrelevant-files
         #- devstack-plugin-ceph-tempest-py3:
         #    irrelevant-files: *tempest-irrelevant-files
         #- tempest-full-centos-9-stream: