Add Django 4.1 to classifiers (#1656)

Author: hramezani

setup.cfg

@@ -16,6 +16,7 @@ classifiers =
     Framework :: Django
     Framework :: Django :: 3.2
     Framework :: Django :: 4.0
+    Framework :: Django :: 4.1
     Intended Audience :: Developers
     License :: OSI Approved :: BSD License
     Operating System :: OS Independent

tox.ini

@@ -9,7 +9,7 @@ envlist =
 deps =
     dj32: django~=3.2.9
     dj40: django~=4.0.0
-    dj41: django>=4.1b1,<4.2
+    dj41: django~=4.1.0
     postgresql: psycopg2-binary
     postgis: psycopg2-binary
     mysql: mysqlclient