Fix Django versions to their latest security releases

Author: kytta

tox.ini

@@ -26,9 +26,9 @@ DJANGO =
 usedevelop = true
 deps =
     coverage
-    dj32: Django>=3.2,<3.3
-    dj40: Django>=4.0,<4.1
-    dj41: Django>=4.1,<4.2
+    dj32: Django~=3.2.16
+    dj40: Django~=4.0.8
+    dj41: Django~=4.1.2
     djmain: https://github.com/django/django/tarball/main
 setenv =
     DJANGO_SETTINGS_MODULE=simple_menu.test_settings