Add Python version 3.13 to test matrix and test against main

.github/workflows/test.yml

@@ -20,7 +20,8 @@ jobs:
           '3.9',
           '3.10',
           '3.11',
-          '3.12-dev',
+          '3.12',
+          '3.13',
         ]
 
     services:
@@ -45,6 +46,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: 'true'
 
     - name: Get pip cache dir
       id: pip-cache

tox.ini

@@ -6,7 +6,7 @@ envlist =
     py{38,39,310,311}-dj{42}
     py{310,311,312}-dj{50}
     py{310,311,312}-dj{51}
-    py{310,311,312}-dj{main}
+    py{310,311,312,313}-dj{main}
     flake8
     isort
     mypy
@@ -19,6 +19,7 @@ python =
     3.10: py310
     3.11: py311
     3.12: py312
+    3.13: py313
 
 [testenv]
 deps =