Update llhttp to v9.2.1

Author: halx99

3rdparty/README.md

@@ -107,7 +107,7 @@
 
 ## llhttp
 - [![Upstream](https://img.shields.io/github/v/release/nodejs/llhttp?label=Upstream)](https://github.com/nodejs/llhttp)
-- Version: 9.2.0
+- Version: 9.2.1
 - License: MIT
 
 ## lua

3rdparty/llhttp/include/llhttp.h

@@ -4,7 +4,7 @@
 
 #define LLHTTP_VERSION_MAJOR 9
 #define LLHTTP_VERSION_MINOR 2
-#define LLHTTP_VERSION_PATCH 0
+#define LLHTTP_VERSION_PATCH 1
 
 #ifndef INCLUDE_LLHTTP_ITSELF_H_
 #define INCLUDE_LLHTTP_ITSELF_H_