Fix README.md

Author: dolfinus

README.md

@@ -2,7 +2,7 @@
 
 [![PyPI version](https://badge.fury.io/py/setuptools-git-versioning.svg)](https://badge.fury.io/py/setuptools-git-versioning)
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/setuptools-git-versioning)](https://badge.fury.io/py/setuptools-git-versioning)
-[![Build Status](https://travis-ci.com/dolfinus/setuptools-git-versioning.svg?branch=master)](https://travis-ci.com/dolfinus/setuptools-git-versioning)
+[![Build Status](https://github.com/dolfinus/setuptools-git-versioning/actions)](https://github.com/dolfinus/setuptools-git-versioning/workflows/Tests/badge.svg)
 
 Automatically set package version using git tag/hash