update snippet

src/docs/sdk/performance/modules/assets.mdx

@@ -43,6 +43,7 @@ Should result in the following span, assuming the request was successful:
     "http.decoded_response_content_length": 123,
     "http.response_content_length": 123,
     "http.response_transfer_size": 123,
+    "resource.render_blocking_status": "blocking",
     "server.address": "cdn.com",
     ... other span properties
   }