What's Changed
* Add CODEOWNERS. by jezdez in https://github.com/conda/grayskull/pull/444
* Updated URLs after graduation. by jezdez in https://github.com/conda/grayskull/pull/443
* Move project metadata to pyproject.toml by mwtoews in https://github.com/conda/grayskull/pull/445
* Misc: correct license, 3.8+ badge, upgrade publish python-version by mwtoews in https://github.com/conda/grayskull/pull/446
* 🔄 Synced file(s) with conda/infrastructure by conda-bot in https://github.com/conda/grayskull/pull/449
* Delete dead check_pkgs_availability by maresb in https://github.com/conda/grayskull/pull/450
* Support Poetry version syntax and optional dependencies by dlqqq in https://github.com/conda/grayskull/pull/454
New Contributors
* jezdez made their first contribution in https://github.com/conda/grayskull/pull/444
* mwtoews made their first contribution in https://github.com/conda/grayskull/pull/445
* conda-bot made their first contribution in https://github.com/conda/grayskull/pull/449
* dlqqq made their first contribution in https://github.com/conda/grayskull/pull/454
**Full Changelog**: https://github.com/conda/grayskull/compare/v2.2.2...v2.3.0