setup.py: added 4.1 classifier

Author: g-as

setup.py

@@ -37,6 +37,7 @@ def read(*rnames):
         "Framework :: Django",
         "Framework :: Django :: 3.2",
         "Framework :: Django :: 4.0",
+        "Framework :: Django :: 4.1",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",