Revert "Revert "Move repository references to new GitLab hierarchy""

This reverts commit 9cb4603d.

Now that the new repository is properly configured, we can switch it over

argocd-configuration/applications/cluster-secrets/argocd.yaml

@@ -8,7 +8,7 @@ metadata:
 spec:
   project: default # Todo define a project to limit the deployment types
   source:
-    repoURL: https://gitlab.softwareheritage.org/infra/ci-cd/k8s-swh-private-data.git
+    repoURL: https://gitlab.softwareheritage.org/infra-private/k8s-swh-private-data.git
     targetRevision: HEAD
     path: argocd
     directory: