Updated openstack/openstack
Project: openstack/oslo.messaging  e0730983eedd3e1177e634548b19ee9677a08f7a

Set correct group for matchmaker_redis options

Before the change, config generator put those options into DEFAULT
section.

Change-Id: I1e8e746cde4627ddf79632ce8255e268de8bd3c3
Closes-Bug: 1332588