fix: tests

Author: danielorihuela

agent-control/tests/on_host/scenarios/ac_self_update.rs

@@ -335,13 +335,14 @@ fleet_control:
   signature_validation:
     public_key_server_url: {}
 agents: {{}}
+oci:
+  registry: {OCI_TEST_REGISTRY_URL}
 self_update:
   enabled: true
   signature_verification_enabled: {signature_verification_enabled}
   package:
     download:
       oci:
-        registry: {OCI_TEST_REGISTRY_URL}
         repository: test
         public_key_url: {}
 "#,