Setup docker registry early

For some reason sometimes our aws CI worker can't reach the docker
site.. Move the registry setup very early so that we fail early as well
if that's the case

ospack-rpi64_containers.yaml

@@ -56,6 +56,10 @@ actions:
     chroot: true
     script: scripts/apt_source.sh -m "https://repositories.apertis.org/rpi64-containers/" -r {{ $suite }} rpi64-containers
 
+  - action: run
+    description: "Setup docker repository"
+    script: scripts/setup_docker_repository.sh buster
+
   - action: overlay
     source: overlays/dpkg-exclusions
 
@@ -131,9 +135,6 @@ actions:
       - nodejs
       - rsync
 
-  - action: run
-    description: "Setup docker repository"
-    script: scripts/setup_docker_repository.sh buster
 
   - action: apt
     description: "Install docker packages"