Prefab-classes

What's Changed
* `prefab_classes` now depends on `ducktools.lazyimporter`
* `prefab_classes_hook` is now `prefab_classes.hook`
* `prefab_compiler`, `is_prefab` and `is_prefab_instance` are now available directly from `prefab_classes`
* Lazy Imports are being implemented to allow easy access to submodule attributes without eagerly importing the modules

**Full Changelog**: https://github.com/DavidCEllis/PrefabClasses/compare/v0.9.6...v0.10.0

What's Changed
* Include tests and docs in uploaded sdist
* Use GitHub trusted publishing to upload releases

**Full Changelog**: https://github.com/DavidCEllis/PrefabClasses/compare/v0.9.5...v0.9.6

What's Changed
* Fix inheritance inconsistency by DavidCEllis in https://github.com/DavidCEllis/PrefabClasses/pull/74

What's Changed
* Drop py39 support by DavidCEllis in https://github.com/DavidCEllis/PrefabClasses/pull/72
* Remove the requirement for `init=False` attributes to have a default. by DavidCEllis in https://github.com/DavidCEllis/PrefabClasses/pull/73


**Full Changelog**: https://github.com/DavidCEllis/PrefabClasses/compare/v0.9.3...v0.9.4

What's Changed
* Fixed mixed assignments and class variables being mistaken for assignments (compiled) by DavidCEllis in https://github.com/DavidCEllis/PrefabClasses/pull/69

**Full Changelog**: https://github.com/DavidCEllis/PrefabClasses/compare/v0.9.2...v0.9.3

What's Changed
* Various type hint fixes
* Move internals into one dict
* Use type hints from post_init in init if provided
* Replace FrozenPrefabError with TypeError on frozen instances to remove runtime dependency for compiled prefabs