ruff

24522f9c - [ty] Ban legacy `TypeVar` bounds or constraints from containing type variables (#22949)

[ty] Ban legacy `TypeVar` bounds or constraints from containing type variables (#22949) ## Summary The conformance suite mandates that type checkers should ban such constructs. ## Test Plan mdtests updated --------- Co-authored-by: Shunsuke Shibayama <sbym1346@gmail.com>