Fix tests status badge in README (#469)

Author: CarrotManMatt

README.md

@@ -2,7 +2,7 @@
 
 [![Python Version](https://img.shields.io/badge/Python-3.12-blue?&logo=Python&logoColor=white)](https://python.org/downloads/release/python-3122)
 [![Pycord Version](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Ftoml-version-finder.carrotmanmatt.com%2Flock%2FCSSUoB%2FTeX-Bot-Py-V2%2Fpy-cord&query=%24.package_version&logo=Discord&label=Pycord&logoColor=white)](https://pycord.dev)
-[![Tests Status](https://github.com/CSSUoB/TeX-Bot-Py-V2/actions/workflows/tests.yaml/badge.svg)](https://github.com/CSSUoB/TeX-Bot-Py-V2/actions/workflows/tests.yaml)
+[![Tests Status](https://github.com/CSSUoB/TeX-Bot-Py-V2/actions/workflows/check-build-deploy.yaml/badge.svg)](https://github.com/CSSUoB/TeX-Bot-Py-V2/actions/workflows/check-build-deploy.yaml)
 [![Mypy Status](https://img.shields.io/badge/mypy-checked-%232EBB4E&label=mypy)](https://mypy-lang.org)
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://ruff.rs)
 [![uv](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/uv/main/assets/badge/v0.json)](https://astral.sh/uv)