Make 1.16 required

Author: unknwon

README.md

@@ -9,7 +9,7 @@ Package git-module is a Go module for Git access through shell commands.
 
 ## Requirements
 
-- Go version must be at least **1.13**.
+- Go version must be at least **1.16**.
 - Git version must be no less than **1.8.3**.
 - For Windows users, try to use the latest version of both.
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/gogs/git-module
 
-go 1.13
+go 1.16
 
 require (
 	github.com/mcuadros/go-version v0.0.0-20190308113854-92cdf37c5b75