Updated openstack/openstack
Project: openstack/oslo.config  063a5ef7740a4c2b158cee5d3320ede4e71e594f

Workflow documentation is now in infra-manual

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

Change-Id: I93536c7f1d2f81b2619855dbc20014ea6eddd302