Log Message:
py-watchfiles: updated to 0.22.0

v0.22.0

fix list-pypi-files CI task
pip show wrong homepage
Update PyO3
Delete setup.py
really drop python<=3.7 support
uprev pyo3 and minimum rust version
drop black and isort
pre-commit block main - related to notify update
Bump idna from 3.3 to 3.7 in /requirements
uprev linting, testing and docs requirements