Updated openstack/openstack
Project: openstack/oslo.vmware  3f7a04ecf91919b6d3846017be5cd7eaf677ee87

Workflow documentation is now in infra-manual

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

Change-Id: Ic52ae9d1d41964dd0e535aa0569df2a7c958f105