py311 classifier (#638)

Author: auvipy

setup.py

@@ -39,6 +39,7 @@ def _pyimp():
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
     Framework :: Django