Update oslo.config to 4.4.0
Update oslo.config to 4.4.0

Change-Id: Ibe7bba8f1b73f4ed70c13bd6f400cd522f10f273
Depends-on: I1dd01aab9bbf9174e925d3c737b0119493a79be8

openstack/rpm-packaging,openstack/rpm-packaging