fix build badge

Author: spyoungtech

docs/README.md

@@ -3,7 +3,7 @@
 A fully typed Python wrapper around AHK.
 
 [![Docs](https://readthedocs.org/projects/ahk/badge/?version=latest)](https://ahk.readthedocs.io/en/latest/?badge=latest)
-[![Build](https://ci.appveyor.com/api/projects/status/2c53x6gglw9nxgj1/branch/master?svg=true)](https://ci.appveyor.com/project/spyoungtech/ahk/branch/master)
+[![Build](https://github.com/spyoungtech/ahk/actions/workflows/test.yaml/badge.svg)](https://github.com/spyoungtech/ahk/actions/workflows/test.yaml)
 [![version](https://img.shields.io/pypi/v/ahk.svg?colorB=blue)](https://pypi.org/project/ahk/)
 [![pyversion](https://img.shields.io/pypi/pyversions/ahk.svg?)](https://pypi.org/project/ahk/)
 [![Coverage](https://coveralls.io/repos/github/spyoungtech/ahk/badge.svg?branch=master)](https://coveralls.io/github/spyoungtech/ahk?branch=master)