Test Python 3.11 with Django 4.1

Author: thibaudcolas

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
             # Tentative support for next Python pre-release. For the correct specifier,
             # Check: https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json.
           - python: "3.11.0-beta.2"
-            toxenv: py311-dj40
+            toxenv: py311-dj41
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3