* Add serialization to State
* Add release notes
* Deprecate State in dataclasses
* Fix tests
* Remove state_utils test
* Fix linting
* Fix formating
* Update tests and remove old state utils
* Update agents test
* Update deserilaization per review
* Linting
* Add tests for edge case (custom class types)
* Fix type serialization
* PR comments
* Move State to agents
* Fix tests
* Update utils init
* Improve seriliaztion/deser
* Update the release notes
* Minor fix in docstrings
* PR comments
* Add deprecation warnign for state utils
* Recreate the serialization methods to use schema
* Update key names
* Make serialization methods private
