docs: fix tests badge (#31)

README.md

@@ -5,7 +5,7 @@
 [![image](https://img.shields.io/pypi/v/wags-tails.svg)](https://pypi.python.org/pypi/wags-tails)
 [![image](https://img.shields.io/pypi/l/wags-tails.svg)](https://pypi.python.org/pypi/wags-tails)
 [![image](https://img.shields.io/pypi/pyversions/wags-tails.svg)](https://pypi.python.org/pypi/wags-tails)
-[![Actions status](https://github.com/genomicmedlab/wags-tails/workflows/checks.yaml/badge.svg)](https://github.com/genomicmedlab/wags-tails/actions/workflows/checks.yaml)
+[![Actions status](https://github.com/genomicmedlab/wags-tails/actions/workflows/checks.yaml/badge.svg)](https://github.com/genomicmedlab/wags-tails/actions/workflows/checks.yaml)
 
 <!-- description -->
 This tool provides data acquisition and access utilities for several projects developed by the [Wagner Lab](https://www.nationwidechildrens.org/specialties/institute-for-genomic-medicine/research-labs/wagner-lab). It designates a storage location in user-space where external data files can be saved, and provides methods to download and update them when available.