Updated openstack/openstack
Project: openstack/oslo.rootwrap  44aa91f133fecc47a964374a32a33f22ad085b56

Workflow documentation is now in infra-manual

Replace URLs for workflow documentation to appropriate parts of the
OpenStack Project Infrastructure Manual.

Change-Id: I9e7c04ee8d5f0ada64bd49a07cdfe4bc3c12086b