[refurb] - fix unused autofix for implicit-cwd (FURB177)

[diceroll123]

Summary

The autofix for this already existed, it just was not pushed to the checker.

Test Plan

cargo test

[github-actions]

ruff-ecosystem results

Linter (stable)

✅ ecosystem check detected no linter changes.

Linter (preview)

✅ ecosystem check detected no linter changes.

[MichaReiser]

Nice find!

I wondered if there was a reason for not pushing the fix, but nope. Has been like this since the rule was added.

Thanks for PRing the fix to add the right diagnostic ;)