Update status badge to GH Actions

Author: abraham

README.md

@@ -1,6 +1,6 @@
 # Scientist!
 
-A Ruby library for carefully refactoring critical paths. [![Build Status](https://travis-ci.org/github/scientist.svg?branch=master)](https://travis-ci.org/github/scientist) [![Coverage Status](https://coveralls.io/repos/github/github/scientist/badge.svg?branch=master)](https://coveralls.io/github/github/scientist?branch=master)
+A Ruby library for carefully refactoring critical paths. [![Build Status](https://github.com/github/scientist/actions/workflows/ci.yml/badge.svg)](https://github.com/github/scientist/actions/workflows/ci.yml)
 
 ## How do I science?