Fixes code test badge in README.md.

Author: sabvdf

README.md

@@ -1,6 +1,6 @@
 # DataSim
 
-[![Test Status](https://github.com/sabvdf/datasim/actions/workflows/python-conda-pyright-pytest.yml/badge.svg)](https://github.com/sabvdf/datasim/actions/workflows/python-conda-pyright-pytest.yml)
+[![Test Status](https://github.com/sabvdf/datasim/actions/workflows/code-tests.yml/badge.svg)](https://github.com/sabvdf/datasim/actions/workflows/code-tests.yml)
 [![Docs Status](https://github.com/sabvdf/datasim/actions/workflows/docs-pages.yml/badge.svg)](https://github.com/sabvdf/datasim/actions/workflows/docs-pages.yml)
 [![Coverage Status](https://coveralls.io/repos/github/sabvdf/datasim/badge.svg?branch=main)](https://coveralls.io/github/sabvdf/datasim?branch=main)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)