ci: set ovn to non-voting (#1063)

Signed-off-by: Mohammed Naser <mnaser@vexxhost.com>
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index e1762f46..e5cafdc 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -81,5 +81,7 @@
 - job:
     name: atmosphere-molecule-aio-ovn
     parent: atmosphere-molecule-aio
+    # NOTE(mnaser): https://github.com/vexxhost/atmosphere/issues/662
+    voting: false
     vars:
       tox_envlist: molecule-aio-ovn