🛠️ Repo: Update Mocha docs RE our use of AI-generated code

[mark-wiemer]

Tooling Suggestion Checklist

• I have tried restarting my IDE and the issue persists.
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Overview

I've started opening GitHub Copilot PRs, and we have also accepted code from other AI tools like Claude provided by outside contributors. Personally, I think AI has a lot of value. I also fully recognize that blindly accepting AI-generated code is a huge risk, and I've seen it in my own life at work. We should update our docs to be clear that any AI-generated code still needs to pass all the same automated tests and manual inspections that any other PR needs to pass. Additionally, if a maintainer uses AI to generate any non-trivial amount of code (let's say 10+ lines), it must be approved by another maintainer before merging.

Additional Info

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