Add copr-be fedmsg cert declaration.

roles/fedmsg_base/templates/ssl.py.j2

@@ -132,6 +132,8 @@ config = dict(
 
         ("shell.mailman01", "shell-mailman01.%s" % suffix),
         ("mailman.mailman01", "mailman-mailman01.%s" % suffix),
+
+        ("copr-backend.copr-be", "copr-copr-be.cloud.fedoraproject.org"),
     ]),
     routing_policy={
         # The gist here is that only messages signed by the