message: docs: Add missing bug fix release note for udp_proxy
diff: @@ -48,6 +48,7 @@ Bug Fixes
  * http: made the HeaderValues::prefix() method const.
  * jwt_authn: supports jwt payload without "iss" field.
  * rocketmq_proxy network-level filter: fixed an issue involving incorrect header lengths. In debug mode it causes crash and in release mode it causes underflow.
  +* udp_proxy: fixed a crash due to UDP packets being processed after listener removal.
  Removed Config or Runtime
  -------------------------
  