* Add PythonVersionFromToml
Added new shield per issue #9410
The shield display required python versions for packages based on pyproject.toml
* Add tests for PythonVersionFromToml
* Improve docs for tests regex
* Improve title and description
Rename and updated description to bring into focus that only PEP 621 complaint pyproject.toml files are supported.
Solves review https://github.com/badges/shields/pull/9516#discussion_r1310648023
* replace complex regex with @renovate/pep440
solves review https://github.com/badges/shields/pull/9516#discussion_r1310648881
