[3.13] GH-119113: Raise `TypeError` from `pathlib.PurePath.with_suffix(None)` (GH-119124) (#119183)

Restore behaviour from 3.12 when `path.with_suffix(None)` is called.
(cherry picked from commit 3c28510b984392b8dac87a17dfc5887366d5c4ab)

Co-authored-by: Barney Gale <barney.gale@gmail.com>