Django-plausible

What's Changed
* Upgrade Wagtail and Django versions, adding support for Wagtail 5.0 by RealOrangeOne in https://github.com/RealOrangeOne/django-plausible/pull/25

**Full Changelog**: https://github.com/RealOrangeOne/django-plausible/compare/v0.4.0...v0.5.0

- Improve validation of script name to match Plausible

**Full Changelog**: https://github.com/RealOrangeOne/django-plausible/compare/v0.3.0...v0.4.0

- **Breaking**: Change Django app name of contrib package from `wagtail` to `wagtailplausible` (No code change required, however will require data reconciling)
- Drop support for Django 3.1, Wagtail 2.13 / 2.14 and Python 3.6
- Add official support for Python 3.10 and Django 4.0 / 4.1

- Add missing `__init__.py` so the wagtail module is exported (2 )
- Drop support for Django 2.2, to maintain support for Wagtail 2.15.

Initial release