Update README.md

Author: milankl

README.md

@@ -1,7 +1,4 @@
-[![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://img.shields.io/badge/repo_status-active-brightgreen?style=flat-square)](https://www.repostatus.org/#active)
-[![Travis](https://img.shields.io/travis/com/milankl/Float8s.jl?label=Linux%20%26%20osx&logo=travis&style=flat-square)](https://travis-ci.com/milankl/Float8s.jl)
-[![AppVeyor](https://img.shields.io/appveyor/ci/milankl/Float8s-jl?label=Windows&logo=appveyor&logoColor=white&style=flat-square)](https://ci.appveyor.com/project/milankl/Float8s-jl)
-[![Cirrus CI](https://img.shields.io/cirrus/github/milankl/Float8s.jl?label=FreeBSD&logo=cirrus-ci&logoColor=white&style=flat-square)](https://cirrus-ci.com/github/milankl/Float8s.jl)
+[![CI](https://github.com/milankl/Float8s.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/milankl/Float8s.jl/actions/workflows/CI.yml)  
 
 # Float8s.jl
 Finally a number type that you can count with your fingers. Super Mario and Zelda would be proud.