Log Message:
py-setuptools: updated to 63.4.2

v63.4.2
-------
Misc
* Bump vendored version of :pypi:`pyparsing` to 3.0.9.
* Add warning for potential ``install_requires`` and ``extras_require``
  misconfiguration in ``setup.cfg``
* Modified ``pyproject.toml`` validation exception handling to
  make relevant debugging information easier to spot.