[`flake8-use-pathlib`] Add fix for `PTH123` (#20169)
## Summary
Part of https://github.com/astral-sh/ruff/issues/2331
## Test Plan
`cargo nextest run flake8_use_pathlib`
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Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
