correct python version

Author: niccokunzmann

pyproject.toml

@@ -16,7 +16,6 @@ classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",