The recent OpenDev change changed a few URLs. Redirects are in place but
let's use the new URLs everywhere:
review.openstack.org moved to review.opendev.org, git hosting moved from
git.openstack.org to opendev.org.
Change-Id: I5cbcaed5a7ab0ab7994045a90e1a91e4a43c7611
0b93bc4640