Update oslosphinx to 4.13.0
Update oslosphinx to 4.13.0

Change-Id: I3a2621164fa11a249f3b39ce4ea46fdb312fafd8
Depends-on: Ib740036a51b555c869845c3f4f6426a05399fa99

openstack/rpm-packaging,openstack/rpm-packaging