Update github action badge

Author: kkdai

README.md

@@ -1,7 +1,7 @@
 Maglev: A Google Maglev Hashing Algorithm implement in Golang
 ==============
 
-[![GoDoc](https://godoc.org/github.com/kkdai/maglev?status.svg)](https://godoc.org/github.com/kkdai/maglev)  [![Build Status](https://travis-ci.org/kkdai/maglev.svg?branch=master)](https://travis-ci.org/kkdai/maglev) [![](https://goreportcard.com/badge/github.com/kkdai/maglev)](https://goreportcard.com/badge/github.com/kkdai/maglev)
+[![GoDoc](https://godoc.org/github.com/kkdai/maglev?status.svg)](https://godoc.org/github.com/kkdai/maglev)  [![Build Status](https://travis-ci.org/kkdai/maglev.svg?branch=master)](https://travis-ci.org/kkdai/maglev) [![](https://goreportcard.com/badge/github.com/kkdai/maglev)](https://goreportcard.com/badge/github.com/kkdai/maglev) ![Go](https://github.com/kkdai/maglev/workflows/Go/badge.svg)
 
 
 ![](http://www.evanlin.com/images/2016/maglev1.png)
@@ -85,4 +85,4 @@ It is one of my [project 52](https://github.com/kkdai/project52).
 License
 ---------------
 
-This is under the Apache 2.0 [license](LICENSE). See the LICENSE file for details.
+This is under the Apache 2.0 [license](LICENSE). See the LICENSE file for details.