temporary Django fork branch

Author: timgraham

.github/workflows/test-python.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: 'mongodb-forks/django'
-          ref: 'mongodb-5.0.x'
+          ref: 'queryset-distinct'
           path: 'django_repo'
       - name: Install system packages for Django's Python test dependencies
         run: |