Asyncz

What's Changed

* Add missing mistrigger to _setup by tarsil in https://github.com/dymmond/asyncz/pull/61

**Full Changelog**: https://github.com/dymmond/asyncz/compare/0.8.1...0.8.2

Added

- `threadpool` to the internal mapping.

Fix

- `AsyncIOScheduler` was not pulling the event loop appropriately.
- Fix `mongodb` store finder.

Changed

- `EsmeraldScheduler` contrib register events to match the new Esmerald implementation.

Fixed

Breaking change

- In the past, `asyncz` had a typo in `max_intances`. This was changed to `max_instances` instead.
This addresses the Discusson [49](https://github.com/tarsil/asyncz/discussions/49) raised by [devkral](https://github.com/devkral).

Changed

- Updated internal `__setstate__` of `Task` to accept also `__pydantic_extra__` and `model_config`.

Added

- Support for Python 3.12.

Fixed

- Pydantic 2.0 `__pydantic_extra__` pickling errors.
- Internal issues with MagicMock and Pydantic 2.0