ruff

d7be6c6f - [ty] Fix async iteration over narrowed typevars (#25155)

[ty] Fix async iteration over narrowed typevars (#25155) ## Summary Fixes the async case (https://github.com/astral-sh/ruff/pull/25143#issuecomment-4449423320) that was left out in https://github.com/astral-sh/ruff/pull/25143