Add Django 5.2 to actions matrix and include missing Python version

Author: peterfarrell

.github/workflows/python-package.yml

@@ -15,8 +15,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
-        django-version: ["4.2", "5.0", "5.1"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        django-version: ["4.2", "5.0", "5.1", "5.2"]
         include:
         - python-version: "3.9"
           django-version: "4.2"