Log Message:
py-webcolors: updated to 1.13

Version 1.13

No bug fixes or new features.

Other changes

* Supported Python versions are now 3.7, 3.8, 3.9, 3.10, and 3.11

* The codebase was significantly reorganized and modernized. Public API is
  unchanged. Imports should continue to be directly from the top-level
  ``webcolors`` module; attempting to import from submodules is not supported.

* Now packaging declaratively via ``pyproject.toml`` with `PEP 517
  <https://peps.python.org/pep-0517/>`_ support from ``setuptools``.