Add tempest-full-centos-9-stream non voting job

centos 9 stream is testing runtime for Yoga so
let's add it in tempest gate. This job is failing
due to bug#1960346 and it will be helpful to know the
job status when we add the fixes with below series:
- https://review.opendev.org/q/topic:wait_until_sshable_pingable

Related-Bug: #1960346
Change-Id: Ib91f67fb9a592e91649e06bb2821f452b36b49f0

zuul.d/project.yaml

@@ -122,6 +122,8 @@
             irrelevant-files: *tempest-irrelevant-files-2
         - tempest-full-py3-centos-8-stream:
             irrelevant-files: *tempest-irrelevant-files
+        - tempest-full-centos-9-stream:
+            irrelevant-files: *tempest-irrelevant-files
     gate:
       jobs:
         - openstack-tox-pep8

zuul.d/tempest-specific.yaml

@@ -82,6 +82,12 @@
       # >=5.0.0 with a [libvirt]virt_type of qemu (TCG).
       configure_swap_size: 4096
 
+- job:
+    name: tempest-full-centos-9-stream
+    parent: tempest-full-py3-centos-8-stream
+    voting: false
+    nodeset: devstack-single-node-centos-9-stream
+
 - job:
     name: tempest-tox-plugin-sanity-check
     parent: tox