message: conn manager: Correct type typo for max request headers
diff: @@ -305,7 +305,7 @@ private:
  Http::ConnectionManagerTracingStats tracing_stats_;
  NullRouteConfigProvider route_config_provider_;
  std::list<UrlHandler> handlers_;
  - int32_t max_request_headers_size_kb_{Http::DEFAULT_MAX_REQUEST_HEADERS_SIZE_KB};
  + uint32_t max_request_headers_size_kb_{Http::DEFAULT_MAX_REQUEST_HEADERS_SIZE_KB};
  absl::optional<std::chrono::milliseconds> idle_timeout_;
  absl::optional<std::string> user_agent_;
  Http::SlowDateProviderImpl date_provider_;
  