Orgparse

What's Changed
* small ci updates; remove python2 compat stuff by karlicoss in https://github.com/karlicoss/orgparse/pull/64
* update to src/ structure and use pyproject.toml by karlicoss in https://github.com/karlicoss/orgparse/pull/65
* ci updates by karlicoss in https://github.com/karlicoss/orgparse/pull/66


**Full Changelog**: https://github.com/karlicoss/orgparse/compare/v0.3.2...v0.4.20231004

* feature: support open CLOCK dates https://github.com/karlicoss/orgparse/pull/49 (thanks tbruckmaier !)

- feature: support level 0 properties and timestamps https://github.com/karlicoss/orgparse/pull/42
- feature: `str` for date-like objects formats it as proper org-mode https://github.com/karlicoss/orgparse/pull/44

- fix: repeated tasks states parsing https://github.com/karlicoss/orgparse/pull/39
- fix: datetime extraction https://github.com/karlicoss/orgparse/pull/43
- fix: avoid file handle leak https://github.com/karlicoss/orgparse/pull/45

thanks everyone!