textproc/py-sphinx-autodoc-typehints: unbreak build by update to 1.22 release (+)

autodoc-typehints require Sphinx =>5.3

Switch to PEP517 build

Release notes: https://github.com/tox-dev/sphinx-autodoc-typehints/releases/

Approved by: python@ (lwhsu)

Sponsored by: Serenity Cybersecurity, LLC