Add OVH CI mirrors to opendev.org map
Add OVH CI mirrors to opendev.org map

The OVH mirrors are being rebuilt with opendev.org domain versions,
so add them to the region list in the mirror map.

Change-Id: Ic12c1ac924ffb676ee284a82a169defeb42513fc

openstack-infra/project-config,openstack-infra/project-config