Add python 3.12 and 3.13 to tests

Author: stefanfoulis

.github/workflows/main.yml

@@ -18,6 +18,8 @@ jobs:
             3.9
             3.10
             3.11
+            3.12
+            3.13
     - name: Install tox
       run: |
         python -m pip install --upgrade pip

tox.ini

@@ -5,6 +5,8 @@ envlist=
     py39-django{32,40,41,42},
     py310-django{32,40,41,42,50,51},
     py311-django{41,42,50,51},
+    py312-django{41,42,50,51},
+    py313-django{41,42,50,51},
     flake8
 
 [testenv]