declare django 5.2 support (#472)

Author: auvipy

setup.py

@@ -45,11 +45,11 @@ def _pyimp():
     Programming Language :: Python :: Implementation :: PyPy
     Framework :: Django
     Framework :: Django :: 3.2
-    Framework :: Django :: 4.0
     Framework :: Django :: 4.1
     Framework :: Django :: 4.2
     Framework :: Django :: 5.0
     Framework :: Django :: 5.1
+    Framework :: Django :: 5.2
     Operating System :: OS Independent
     Topic :: Communications
     Topic :: System :: Distributed Computing