Change openstack-dev to openstack-discuss

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

Change-Id: Ib69012a002adb130a57cc8fdcba68be32a4a4e71
diff --git a/setup.cfg b/setup.cfg
index 99f34dc..53ca735 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://docs.openstack.org/ironic-tempest-plugin/latest/
 classifier =
     Environment :: OpenStack