internal: update supported python and plone versions

Author: erral

setup.py

@@ -23,10 +23,14 @@ def read(*rnames):
     classifiers=[
         "Framework :: Plone",
         "Framework :: Plone :: 6.0",
+        "Framework :: Plone :: 6.1",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Development Status :: 5 - Production/Stable",
         "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",