[tox] added django-4.1 environments

tox.ini

@@ -9,7 +9,8 @@ envlist =
     {py36,py37}-django30
     {py37,py38}-django31
     {py38,py39}-django32
-    {py38,py39}-django40
+    {py38,py39,py10}-django40
+    {py38,py39,py10}-django41
 
 skip_missing_interpreters = true
 
@@ -20,6 +21,7 @@ deps =
     django31: Django>=3.1,<3.2
     django32: Django>=3.2,<4.0
     django40: Django>=4.0,<4.1
+    django41: Django>=4.1,<4.2
     selenium<4.3.0
 
 commands = {envpython} tests/manage.py test testapp {posargs}