## Summary
Implement `docstring-extraneous-parameter` (`DOC102`). This rule checks
that all parameters present in a functions docstring are also present in
its signature.
Split from #13280, per this
[comment](https://github.com/astral-sh/ruff/pull/13280#issuecomment-3280575506).
Part of #12434.
## Test Plan
Test cases added.
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Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
Auguste Lalande