Related to:
- https://review.opendev.org/#/c/723044/
- https://governance.openstack.org/tc/goals/selected/ussuri/project-ptl-and-contrib-docs.html

Change-Id: I409eda65421b4c86020dccadcdfd5a9dcba9894c

Use https instead of http to ensure the safety without containing our
account/password information

Change-Id: Ia36674a2ec437142484fb952f95c2830356abc0a