[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/images/manila/Dockerfile b/images/manila/Dockerfile
index 24ce5f8..7547376 100644
--- a/images/manila/Dockerfile
+++ b/images/manila/Dockerfile
@@ -3,7 +3,7 @@
 
 ARG RELEASE
 
-FROM registry.atmosphere.dev/library/openstack-venv-builder:${RELEASE} AS build
+FROM harbor.atmosphere.dev/library/openstack-venv-builder:${RELEASE} AS build
 ARG MANILA_GIT_REF=ed585103e4c26478b60b397b0bb064b50dc1acb5
 ADD --keep-git-dir=true https://opendev.org/openstack/manila.git#${MANILA_GIT_REF} /src/manila
 RUN git -C /src/manila fetch --unshallow
@@ -15,7 +15,7 @@
         /src/manila
 EOF
 
-FROM registry.atmosphere.dev/library/openstack-python-runtime:${RELEASE}
+FROM harbor.atmosphere.dev/library/openstack-python-runtime:${RELEASE}
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \