Fix snapshot

Author: SteveSandersonMS

test/snapshots/ask_user/should_handle_freeform_user_input_response.yaml

@@ -16,6 +16,6 @@ conversations:
               arguments: '{"question":"What is your favorite color?"}'
       - role: tool
         tool_call_id: toolcall_0
-        content: "User response (freeform): This is my custom freeform answer that was not in the choices"
+        content: "User responded: This is my custom freeform answer that was not in the choices"
       - role: assistant
         content: 'You answered: "This is my custom freeform answer that was not in the choices"'