Stop using CDN for CI (#2185)

Switch image builds to use Harbor
Switch Zuul to avoid CDN
Small more fixes
Configure CI bits to not use CDN
diff --git a/zuul.d/container-images/heat.yaml b/zuul.d/container-images/heat.yaml
index 5b4087e..4c2fd87 100644
--- a/zuul.d/container-images/heat.yaml
+++ b/zuul.d/container-images/heat.yaml
@@ -43,8 +43,8 @@
       promote_container_image_job: atmosphere-upload-container-image-heat
       container_images:
         - context: images/heat
-          registry: registry.atmosphere.dev
-          repository: registry.atmosphere.dev/library/heat
+          registry: harbor.atmosphere.dev
+          repository: harbor.atmosphere.dev/library/heat
           arch:
             - linux/amd64
           build_args: