fix(limiter): fix a format error in the changelog

changes/ce/perf-10625.en.md

@@ -1,4 +1,4 @@
 Simplify limiter configuration.
 - Reduce the complexity of the limiter's configuration. 
-e.g. now users can use `limiter.messages_rate = 1000/s` to quickly set the node-level limit for the message publish.
+e.g. now users can use `limiter.messages_rate = "1000/s"` to quickly set the node-level limit for the message publish.
 - Update the `configs/limiter` API to suit this refactor.