Add release and test badges

.github/workflows/integrate.yaml

@@ -1,4 +1,4 @@
-name: RAPIDS Continuous Integration
+name: tests
 
 on:
   push:

README.md

@@ -1,6 +1,7 @@
+![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/carissalow/rapids?style=plastic)
 [![Snakemake](https://img.shields.io/badge/snakemake-≥5.7.1-brightgreen.svg?style=flat)](https://snakemake.readthedocs.io)
 [![Documentation Status](https://github.com/carissalow/rapids/workflows/docs/badge.svg)](https://www.rapids.science/)
-[![Build Status](https://travis-ci.com/carissalow/rapids.svg?branch=master)](https://travis-ci.com/carissalow/rapids)
+![tests](https://github.com/carissalow/rapids/workflows/tests/badge.svg)
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-v2.0%20adopted-ff69b4.svg)](code_of_conduct.md) 
 
 # RAPIDS