chore: Update test matrix

Author: fsbraun

.github/workflows/test.yml

@@ -8,31 +8,27 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
         requirements-file: [
           django-4.2.txt,
-          django-5.0.txt,
           django-5.1.txt,
           django-5.2.txt,
+          django-6.0.txt,
           django-main.txt,
         ]
         custom-image-model: [false, true]
         os: [
           ubuntu-latest,
         ]
         exclude:
-          - requirements-file: django-5.0.txt
-            python-version: 3.9
-          - requirements-file: django-5.1.txt
-            python-version: 3.9
-          - requirements-file: django-5.2.txt
-            python-version: 3.9
-          - requirements-file: django-main.txt
-            python-version: 3.9
           - requirements-file: django-main.txt
             python-version: 3.10
           - requirements-file: django-main.txt
             python-version: 3.11
+          - requirements-file: django-6.0.txt
+            python-version: 3.10
+          - requirements-file: django-6.0.txt
+            python-version: 3.11
 
     steps:
     - uses: actions/checkout@v1

tests/requirements/django-3.2.txt

@@ -1,4 +1,4 @@
 -r base.txt
 
-django>=4.0,<4.1
+django>=6.0a1,<6.1
 django_polymorphic>=3.1