PTH201 should check all subclasses of `PurePath`

[dscorbett]

Summary

path-constructor-current-directory (PTH201) checks PurePath and Path. It should also check the other standard-library subclasses of PurePath. Example:

from importlib.metadata import PackagePath
from pathlib import PosixPath, PurePosixPath, PureWindowsPath, WindowsPath
PackagePath(".")
PosixPath(".")
PurePosixPath(".")
PureWindowsPath(".")
WindowsPath(".")

Version

ruff 0.12.4 (ee2759b 2025-07-17)