fix typo for `usort` config in `pyproject.toml`
Summary:
The `usort` config in `pyproject.toml` has no effect due to a typo. Fixing the typo make `usort` do more and generate the changes in the PR. Except `pyproject.toml`, all changes are generated by `lintrunner -a --take UFMT --all-files`.
X-link: https://github.com/pytorch/pytorch/pull/127126
Approved by: https://github.com/kit1980
Reviewed By: PaliC
Differential Revision: D57894793
fbshipit-source-id: 6af4fcb5eae8fd114024359beb3fae7f3928de2e
