Update badges in README

- Build status now points at Github
- Removed Coveralls, because it's not currently being updated

README.md

@@ -5,8 +5,7 @@ would like to take over as maintainer, please let me know by filing a ticket.
 
 # birdisle-py
 
-[![Build Status](https://travis-ci.org/bmerry/birdisle-py.svg?branch=master)](https://travis-ci.org/bmerry/birdisle-py)
-[![Coverage Status](https://coveralls.io/repos/github/bmerry/birdisle-py/badge.svg)](https://coveralls.io/github/bmerry/birdisle-py)
+[![Build Status](https://github.com/bmerry/birdisle-py/actions/workflows/build.yml/badge.svg)](https://github.com/bmerry/birdisle-py/actions/workflows/build.yml)
 [![Documentation Status](https://readthedocs.org/projects/birdisle/badge/?version=latest)](https://birdisle.readthedocs.io/en/latest/?badge=latest)
 
 Birdisle (an anagram of "lib redis") is a modified version of