devel/py-pyyaml-include: Update to 2.0

• Update WWW
• Remove PY_SETUPTOOLS: py-setuptools should be used rather than PY_SETUPTOOLS

Changes: https://github.com/tanbro/pyyaml-include/blob/main/CHANGELOG.md

		https://pyyaml-include.readthedocs.io/en/latest/CHANGELOG.html