Temporary make rally job non voting

Actual fix is already proposed in rally[1], but
rally CI is red for other issues, so to unblock
neutron gate let's temporary make this job
non-voting.

ovn rally job is already non-voting.

[1] https://review.opendev.org/c/openstack/rally-openstack/+/847879

Related-Bug: #1980055
Change-Id: I39c9db9f3a1eea3cea4f1f4979e0abdce6946bea

zuul.d/rally.yaml

@@ -1,6 +1,8 @@
 - job:
     name: neutron-ovs-rally-task
     parent: rally-task-neutron
+    # Make non-voting until https://bugs.launchpad.net/rally/+bug/1980055 fixes
+    voting: false
     timeout: 10800
     vars:
       devstack_localrc: