Our cgit instance will be going away and opendev.org is the new
preferred URL for browsing our git repos. Redirects will exist for the
foreseeable future, but it's more efficient to just go directly to the
new locations.

Change-Id: Ia84b464390dbbaaba4c87c4032f5fd21a529f412
Co-Authored-By: Vishal Manchanda <manchandavishal143@gmail.com>