Support --package pyproject.toml

[janosh]

Would be great if auto-changelog could read the latest version from pyproject.toml. Would make it easier to use with Python projects.

npm run auto-changelog --package pyproject.toml

raises

SyntaxError: Unexpected token 'b', "[build-syst"... is not valid JSON

Minimal example pyproject.toml

[build-system]
requires = ["setuptools>=61.2"]
build-backend = "setuptools.build_meta"

[project]
name = "pkg-name"
version = "1.0.0"
# ...