Fdemmer-django-all-access

Add settings variables ``ALL_ACCESS_SECRET_KEY`` and ``ALL_ACCESS_DISABLED``.

**Full Changelog**: https://github.com/fdemmer/django-all-access/compare/v1.3.4...v1.4.0

- fix: prevent normalization of value `0` (int) to `None`
- add: Python 3.13
- add: Django 5.1, 5.2

**Full Changelog**: https://github.com/fdemmer/django-all-access/compare/v1.3.3...v1.3.4

- add Python 3.11 & 3.12
- add Django 4.2 & 5.0
- remove Django 4.0 & 4.1