Add Python 3.11 support.

.github/workflows/test-package.yml

@@ -25,6 +25,7 @@ jobs:
             python-version {3.8}, django-version {2.2,3.0,3.1,3.2}, database {sqlite,postgres}
             python-version {3.9}, django-version {2.2,3.0,3.1,3.2}, database {sqlite,postgres}
             python-version {3.10}, django-version {3.2,4.0,4.1}, database {sqlite,postgres}
+            python-version {3.11}, django-version {4.1}, database {sqlite,postgres}
 
     outputs:
       matrix: ${{ steps.create_matrix.outputs.matrix }}

setup.py

@@ -92,6 +92,7 @@ setup(
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Software Development :: Build Tools",
     ],
     license="MIT",

tox.ini

@@ -6,6 +6,7 @@ envlist =
     py38-{dj22,dj30,dj31,dj32}-{sqlite,postgres},
     py39-{dj22,dj30,dj31,dj32}-{sqlite,postgres},
     py310-{dj32,dj40,dj41}-{sqlite,postgres},
+    py311-{dj41}-{sqlite,postgres},
 
 [gh-actions]
 python =
@@ -15,6 +16,7 @@ python =
     3.8: py38
     3.9: py39
     3.10: py310
+    3.11: py311
 
 [testenv]
 passenv = CI GITHUB_WORKFLOW