* feat: pydantic version of google pb
* fix: patch pb Struct to support json, dict rountrip
* fix: pydantic-version google pb, json, dict rntrip
* chore: remove `@generated`, remove gen, code fmt
* chore: test case for pydantic-version google pb
- Enable oneof_enum test case that passes now (removed the xfail)
- Switch from toml to tomlkit as a dev dep for better toml support
- upgrade poethepoet to latest stable release
- use full table format for poe tasks to avoid long lines in pyproject.toml
- remove redundant _WrappedMessage class
- fix various Mypy warnings
- reformat some comments for consistent line length