Change openstack-dev to openstack-discuss

Mailinglists have been updated. Openstack-discuss replaces openstack-dev.

Change-Id: I8f520ee99f9cf52d82792ea5834dc2a92119167b
diff --git a/setup.cfg b/setup.cfg
index c6a1fad..d7790d6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -4,7 +4,7 @@
 description-file =
     README.rst
 author = OpenStack
-author-email = openstack-dev@lists.openstack.org
+author-email = openstack-discuss@lists.openstack.org
 home-page = https://git.openstack.org/cgit/openstack/neutron-tempest-plugin
 classifier =
     Environment :: OpenStack