Update zuul neutron template to zed template

Change-Id: I1a23b2f1e6bd7841a250a76c387d048c2d85adbe

Author: wmousa

.zuul.yaml

@@ -1,3 +1,3 @@
 - project:
     templates:
-        - openstack-python3-yoga-jobs-neutron
+        - openstack-python3-zed-jobs-neutron