Fix: Fix licence classifier for Python package

Fix a copy and paste mistake for the license classifier.

pyproject.toml

@@ -9,7 +9,7 @@ readme = "README.md"
 classifiers = [
   # Full list: https://pypi.org/pypi?%3Aaction=list_classifiers
   "Development Status :: 4 - Beta",
-  "License :: OSI Approved :: GNU General Public License v3 or later (AGPLv3+)", # pylint: disable=line-too-long
+  "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)", # pylint: disable=line-too-long
   "Environment :: Console",
   "Intended Audience :: Developers",
   "Programming Language :: Python :: 3.11",