Add Django-5.0 support #143

[shimizukawa]

• 143

Tasks

• [x] update tox and github CI
• [x] update pyproject.toml
• [x] update document
• [x] Test with Postgres
• [x] Test with Reshift
• [x] bump version x.Y.z for compatible update

[shimizukawa]

I ran the examples/dj-sql-explorer app on django-5.0.7 + Redshift server and verified that migration and runserver work.

(venv) @shimizukawa ➜ /workspaces/django-redshift-backend/examples/dj-sql-explorer (dj50) $ python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).
September 14, 2024 - 06:45:22
Django version 5.0.7, using settings 'config.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.