Change openstack-dev to openstack-discuss

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

Change-Id: I52361048bb1b10b7c26503bf47ad0b6b21e9eb64
diff --git a/setup.cfg b/setup.cfg
index 96ee7ea..fcbe956 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/tempest/latest/
 classifier =
     Intended Audience :: Information Technology
diff --git a/tempest/tests/files/setup.cfg b/tempest/tests/files/setup.cfg
index bd68708..a81d31e 100644
--- a/tempest/tests/files/setup.cfg
+++ b/tempest/tests/files/setup.cfg
@@ -3,7 +3,7 @@
 version = 1
 summary = Fake Project for testing wrapper scripts
 author = OpenStack
-author-email = openstack-dev@lists.openstack.org
+author-email = openstack-discuss@lists.openstack.org
 home-page = https://docs.openstack.org/tempest/latest/
 classifier =
     Intended Audience :: Information Technology