ruff

068b75cc - [`pyflakes`] Detect assignments that shadow definitions (`F811`) (#11961)

[`pyflakes`] Detect assignments that shadow definitions (`F811`) (#11961) ## Summary This PR updates `F811` rule to include assignment as possible shadowed binding. This will fix issue: #11828 . ## Test Plan Add a test file, F811_30.py, which includes a redefinition after an assignment and a verified snapshot file.