Update badge in readme to only look at main branch tests

README.md

@@ -1,4 +1,4 @@
-![status](https://img.shields.io/badge/PyPi-0.0.0.0-blue) ![status](https://img.shields.io/badge/License-MIT-lightgrey) [![test](https://github.com/deepskies/DeepDiagnostics/actions/workflows/test.yaml/badge.svg)](https://github.com/deepskies/DeepDiagnostics/actions/workflows/test.yaml) [![Documentation Status](https://readthedocs.org/projects/deepdiagnostics/badge/?version=latest)](https://deepdiagnostics.readthedocs.io/en/latest/?badge=latest)
+![status](https://img.shields.io/badge/PyPi-0.0.0.0-blue) ![status](https://img.shields.io/badge/License-MIT-lightgrey) [![test](https://github.com/deepskies/DeepDiagnostics/actions/workflows/test.yaml/badge.svg?branch=main)](https://github.com/deepskies/DeepDiagnostics/actions/workflows/test.yaml) [![Documentation Status](https://readthedocs.org/projects/deepdiagnostics/badge/?version=latest)](https://deepdiagnostics.readthedocs.io/en/latest/?badge=latest)
 
 # DeepDiagnostics
 DeepDiagnostics is a package for diagnosing the posterior from an inference method. It is flexible, applicable for both simulation-based and likelihood-based inference.
@@ -242,4 +242,4 @@ python3 -m pytest tests/test_metrics.py::test_newmetric
 ```
 
 ## Acknowledgement 
-This software has been authored by an employee or employees of Fermi Research Alliance, LLC (FRA), operator of the Fermi National Accelerator Laboratory (Fermilab) under Contract No. DE-AC02-07CH11359 with the U.S. Department of Energy.
+This software has been authored by an employee or employees of Fermi Research Alliance, LLC (FRA), operator of the Fermi National Accelerator Laboratory (Fermilab) under Contract No. DE-AC02-07CH11359 with the U.S. Department of Energy.