Update project classifiers

Author: marteinn

setup.py

@@ -54,9 +54,11 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Framework :: Django",
         "Framework :: Django :: 3.2",
         "Framework :: Django :: 4.0",
+        "Framework :: Django :: 4.1",
         "Topic :: Utilities",
         "Programming Language :: JavaScript",
     ],