Test support for python 3.13 in tox

Author: Pierre-Sassoulas

tox.ini

@@ -8,8 +8,8 @@ envlist =
     pylint
     readme
     py{39}-django{22,32}
-    py{39,310,311,312}-django{42}
-    py{310,311,312}-django{52-main}
+    py{39,310,311,312,313}-django{42}
+    py{310,311,312,313}-django{52-main}
 
 requires =
     pip >=21.0.1
@@ -21,7 +21,7 @@ commands =
     django_not_installed: bash pylint_django/tests/test_django_not_installed.sh
     pylint: pylint pylint_django
     readme: bash -c "poetry build && twine check dist/*"
-    py{38,39,310,311,312}-django{22,32,42,52}: bash scripts/test.sh --cov=pylint_django
+    py{38,39,310,311,312,313}-django{22,32,42,52}: bash scripts/test.sh --cov=pylint_django
     clean: find . -type f -name '*.pyc' -delete
     clean: find . -type d -name __pycache__ -delete
     clean: rm -rf build/ .cache/ dist/ .eggs/ pylint_django.egg-info/ .tox/