Update badge in readme

README.md

@@ -192,10 +192,10 @@ for more information.
 [ico-version]: https://img.shields.io/packagist/v/sven/flex-env.svg?style=flat-square
 [ico-license]: https://img.shields.io/badge/license-MIT-green.svg?style=flat-square
 [ico-downloads]: https://img.shields.io/packagist/dt/sven/flex-env.svg?style=flat-square
-[ico-build]: https://img.shields.io/travis/svenluijten/flex-env?style=flat-square
+[ico-build]: https://img.shields.io/github/actions/workflow/status/svenluijten/flex-env/tests.yml?style=flat-square
 [ico-styleci]: https://styleci.io/repos/49644781/shield
 
 [link-packagist]: https://packagist.org/packages/sven/flex-env
 [link-downloads]: https://packagist.org/packages/sven/flex-env
-[link-build]: https://travis-ci.org/svenluijten/flex-env
+[link-build]: https://github.com/svenluijten/flex-env/actions/workflows/tests.yml
 [link-styleci]: https://styleci.io/repos/49644781