Updated luarocks badge in Readme.md

Author: Vasu7052

README.md

@@ -3,7 +3,7 @@
 Lua Pubsub client driver for the `ngx_lua` based on the cosocket API.
 
 [![lua module](https://img.shields.io/badge/lua-module-blue?style=for-the-badge&logo=lua)](https://luarocks.org/modules/vwointegration/lua-resty-pubsub)
-[![lua module](https://img.shields.io/badge/lua%20rocks-1.2-orange?style=for-the-badge&logo=lua)](https://luarocks.org/modules/vwointegration/lua-resty-pubsub)
+[![lua module](https://img.shields.io/badge/lua%20rocks-1.3-orange?style=for-the-badge&logo=lua)](https://luarocks.org/modules/vwointegration/lua-resty-pubsub)
 [![License](https://img.shields.io/badge/License-MIT-green.svg?style=for-the-badge&logo=)](https://opensource.org/licenses/MIT)
 
 ## Table of Contents