Update README.md

Author: HotNoob

README.md

@@ -3,6 +3,7 @@
 ![Python 3.10](https://github.com/HotNoob/PythonProtocolGateway/actions/workflows/python-3.10.yml/badge.svg)
 ![Python 3.11](https://github.com/HotNoob/PythonProtocolGateway/actions/workflows/python-3.11.yml/badge.svg)
 ![Python 3.12](https://github.com/HotNoob/PythonProtocolGateway/actions/workflows/python-3.12.yml/badge.svg)
+![Python 3.13](https://github.com/HotNoob/PythonProtocolGateway/actions/workflows/python-3.13.yml/badge.svg)
 
 [![CodeQL](https://github.com/HotNoob/PythonProtocolGateway/actions/workflows/github-code-scanning/codeql/badge.svg)](https://github.com/HotNoob/PythonProtocolGateway/actions/workflows/github-code-scanning/codeql)