feat: support `pyproject.toml`

[kemingy]

Describe the feature

More and more projects are adopting pyproject.toml as the Python configuration file. We should consider supporting this type of file for dependencies.

Why do you need this feature?

No response

Additional context

No response

[Electronic-Waste]

I can have a try!

(But I'm not so familiar with python. Sometimes I may need some help.)

[kemingy]

I think the basic requirement is to get all the dependencies from the pyproject.toml, which only requires TOML parsing. Not sure if that is sufficient.

[Electronic-Waste]

Okay, I'll split this feature into multiple PRs, accomplishing it step by step.