Add Python 3.12, Django 4.2

Also use 'include' instead of 'exclude' for more readability

Author: kytta

.github/workflows/test.yml

@@ -9,32 +9,50 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.6', '3.7', '3.8', '3.9', '3.10', '3.11']
-        django-version: ['3.2', '4.0', '4.1', 'main']
-        exclude:
+        # https://docs.djangoproject.com/faq/install/#what-python-version-can-i-use-with-django
+        include:
           - django-version: '3.2'
-            python-version: '3.11'
+            python-version: '3.6'
+          - django-version: '3.2'
+            python-version: '3.7'
+          - django-version: '3.2'
+            python-version: '3.8'
+          - django-version: '3.2'
+            python-version: '3.9'
+          - django-version: '3.2'
+            python-version: '3.10'
 
           - django-version: '4.0'
-            python-version: '3.6'
+            python-version: '3.8'
           - django-version: '4.0'
-            python-version: '3.7'
+            python-version: '3.9'
           - django-version: '4.0'
-            python-version: '3.11'
+            python-version: '3.10'
 
           - django-version: '4.1'
-            python-version: '3.6'
+            python-version: '3.8'
           - django-version: '4.1'
-            python-version: '3.7'
+            python-version: '3.9'
+          - django-version: '4.1'
+            python-version: '3.10'
+          - django-version: '4.1'
+            python-version: '3.11'
+
+          - django-version: '4.2'
+            python-version: '3.8'
+          - django-version: '4.2'
+            python-version: '3.9'
+          - django-version: '4.2'
+            python-version: '3.10'
+          - django-version: '4.2'
+            python-version: '3.11'
 
           - django-version: 'main'
-            python-version: '3.6'
-          - django-version: 'main'
-            python-version: '3.7'
+            python-version: '3.10'
           - django-version: 'main'
-            python-version: '3.8'
+            python-version: '3.11'
           - django-version: 'main'
-            python-version: '3.9'
+            python-version: '3.12'
 
     steps:
     - uses: actions/checkout@v3