fix: helm kubernetes bundle url update

Signed-off-by: Jernej Porenta <jernej.porenta@3fs.si>

Author: nejec

test/e2e/custom_config/values.yaml

@@ -5,5 +5,5 @@ opa:
   bundles:
     quickstart:
       service: controller
-      resource: /bundles/helm-kubernetes-quickstart
+      resource: /external-resources/bundles/helm-kubernetes-quickstart
   default_decision: /helm_kubernetes_quickstart/main