databases/py-peewee: Update 3.15.0 => 4.0.8

Changelog:
https://github.com/coleifer/peewee/blob/4.0.8/CHANGELOG.md

• Fix warnings from portclippy.

PR: 294796
Approved by: Matthias Petermann <matthias@petermann-it.de> (maintainer, timeout 7 weeks)
Sponsored by: UNIS Labs
Co-authored-by: Vladimir Druzenko <vvd@FreeBSD.org>