CI: remove Django 4.0

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        django: ["3.2", "4.0", "4.1", "4.2"]
+        django: ["3.2", "4.1", "4.2"]
         python-version: ["3.8", "3.9", "3.10"]
         include:
           - django: "3.2"

tox.ini

@@ -1,8 +1,8 @@
 [tox]
 envlist =
     py{37,38,39,310}-django32,
-    py{38,39,310}-django{40,41,main},
-    py311-django{41,main}
+    py{38,39,310}-django{41,42,main},
+    py311-django{41,42,main}
     pre-commit
 
 [gh-actions]
@@ -16,7 +16,6 @@ python =
 [gh-actions:env]
 DJANGO =
     3.2: django32
-    4.0: django40
     4.1: django41
     4.2: django42
     main: djangomain
@@ -31,7 +30,6 @@ deps =
     -e.[test]
     psycopg2-binary
     django32: Django>=3.2,<4.0
-    django40: Django>=4.0,<4.1
     django41: Django>=4.1,<4.2
     django42: Django>=4.2,<4.3
     djangomain: https://github.com/django/django/archive/main.zip