Djantic2

What's Changed
* Remove redundant instance variables "context" and "instance" by jonathan-s in https://github.com/jonathan-s/djantic2/pull/11

If you find djantic useful or use it at your company, consider [sponsoring](https://github.com/sponsors/jonathan-s)



**Full Changelog**: https://github.com/jonathan-s/djantic2/compare/v1.0.2...v1.0.3

What's Changed
* Adopt ruff formatter and linter by xshapira in https://github.com/jonathan-s/djantic2/pull/2
* Allow related fields to be nullable by marcy-buccellato in https://github.com/jonathan-s/djantic2/pull/7
* OneToOne and ManyToMany fields are nullable by jonathan-s in https://github.com/jonathan-s/djantic2/pull/8

New Contributors
* xshapira made their first contribution in https://github.com/jonathan-s/djantic2/pull/2
* marcy-buccellato made their first contribution in https://github.com/jonathan-s/djantic2/pull/7

**Full Changelog**: https://github.com/jonathan-s/djantic2/compare/1.0.1...v1.0.2