[stable/2023.2] Stop using CDN for CI (#2185) (#2195)

Switch image builds to use Harbor
Switch Zuul to avoid CDN
Small more fixes
Configure CI bits to not use CDN
fixes #2188
diff --git a/zuul.d/container-images/libvirtd.yaml b/zuul.d/container-images/libvirtd.yaml
index 4fd0cef..f77f45e 100644
--- a/zuul.d/container-images/libvirtd.yaml
+++ b/zuul.d/container-images/libvirtd.yaml
@@ -39,8 +39,8 @@
       promote_container_image_job: atmosphere-upload-container-image-libvirtd
       container_images:
         - context: images/libvirtd
-          registry: registry.atmosphere.dev
-          repository: registry.atmosphere.dev/library/libvirtd
+          registry: harbor.atmosphere.dev
+          repository: harbor.atmosphere.dev/library/libvirtd
           arch:
             - linux/amd64
             - linux/arm64