Add Django 4.2 and 5.0 and python 3.12 to test matrix

Author: mikemanger

.github/workflows/main.yml

@@ -19,6 +19,7 @@ jobs:
         - '3.9'
         - '3.10'
         - '3.11'
+        - '3.12'
 
     steps:
     - uses: actions/checkout@v2

tox.ini

@@ -15,8 +15,16 @@ envlist =
     py310-django40
     py39-django41
     py310-django41
+    py310-django42
+    py311-django42
+    py312-django42
+    py310-django50
+    py311-django50
+    py312-django50
 [testenv]
 deps =
+    django50: Django>=5.0,<5.1
+    django42: Django>=4.2,<4.3
     django41: Django>=4.1,<4.2
     django40: Django>=4.0,<4.1
     django30: Django>=3.0,<3.1