Move git-review zuul config in-tree
Move git-review zuul config in-tree

This will allow us to change jobs run by zuul on this repo without having to rely on restricted
project-config repo.

Change-Id: Id7976d573b7eeda3ccf5970104e22a4427406e87
Needed-By: https://review.opendev.org/c/opendev/git-review/+/770539

openstack-infra/project-config,openstack-infra/project-config