fix: fix Python version badge URL

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: codewizdave

README.md

@@ -1,7 +1,7 @@
 # python-typemap
 
 [![PyPI Version](https://img.shields.io/pypi/v/typemap)](https://pypi.org/project/typemap/)
-[![Python Version](https://img.shields.io/python/py-version/typemap)](https://pypi.org/project/typemap/)
+[![Python Version](https://img.shields.io/pypi/pyversions/typemap)](https://pypi.org/project/typemap/)
 [![Test Status](https://github.com/nesalia-inc/python-typemap/actions/workflows/test.yml/badge.svg)](https://github.com/nesalia-inc/python-typemap/actions)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Ruff](https://img.shields.io/github/actions/workflow/status/nesalia-inc/python-typemap/ruff.yml?label=Ruff)](https://github.com/nesalia-inc/python-typemap/actions/workflows/ruff.yml)