Docker Registry 2.6.1-rc.1 Registry - Fix `Forwarded` header handling, revert use of `X-Forwarded-Port`
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Docker Registry 2.6.1-rc.1 Registry - Fix `Forwarded` header handling, revert use of `X-Forwarded-Port`