Update README.md

Author: StatMixedML

README.md

@@ -1,6 +1,6 @@
 <h4 align="center">
 
-![Python Version](https://img.shields.io/badge/python-3.9%20|%20%203.10%20|%20%203.11-lightblue.svg)
+![Python Version](https://img.shields.io/badge/python-3.10%20|%20%203.11-lightblue.svg)
 ![GitHub tag (with filter)](https://img.shields.io/github/v/tag/StatMixedML/XGBoostLSS?label=release&color=lightblue)
 [![Github License](https://img.shields.io/badge/license-Apache%202.0-lightblue.svg)](https://opensource.org/licenses/Apache-2.0)
 <img src="https://github.com/StatMixedML/XGBoostLSS/actions/workflows/mkdocs.yaml/badge.svg" alt="Documentation status badge">