Two in-flight changes altered the logo in two different ways
(overwriting the file vs changing the filename). Reconcile by
using the new filename.
Change-Id: Iaad0b762255788011eaf0e3be3a922cebc2a2ea4
This is part of the opendev git hosting transition. We do this on
review.opendev.org/review.openstack.org and not files.openstack.org so
that ssh connections continue to work. This will need to be applied
during the maintenance window.
This also updates the canonical urls and logo.
Change-Id: I5bf4dcd6835e379fcdd2d55393c5a844578074a9