Update setup.cfg

update email addr.

Author: aaronkaplan

setup.cfg

@@ -41,7 +41,7 @@ name = intelmq
 description = IntelMQ is a solution for IT security teams for collecting and processing security feeds using a message queuing protocol.
 author = IntelMQ Community
 maintainer = Wagner Sebastian
-maintainer_email = wagner@cert.at
+maintainer_email = sebastian@sebix.at
 url = https://github.com/certtools/intelmq/
 license =  AGPL-3.0-or-later
 license_file = LICENSE