Fix link to new opendev repo
Fix link to new opendev repo

The switch to an opendev URL wasn't quite right, resulting in a 404.

Change-Id: I652f093384a584a56290a9b080913392873efd9f

dtroyer/python-openstackclient,openstack/python-openstackclient,dtroyer/python-openstackclient,openstack/python-openstackclient