Update README.md

Author: miladrahimi

README.md

@@ -9,7 +9,7 @@ GoLobby DotEnv is a lightweight package for loading dot env (.env) files into st
 
 ## Documentation
 ### Supported Versions
-It requires Go `v1.11` or newer versions.
+It requires Go `v1.16` or newer versions.
 
 ### Installation
 To install this package run the following command in the root of your project.