🛠️ Repo: Stop using deprecated `karma` library

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- [x] I have tried restarting my IDE and the issue persists.
- [x] I have pulled the latest `main` branch of the repository.
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### Overview

[Karma was deprecated around April 2023](https://github.com/karma-runner/karma/commit/450fdfdac5b999967daec1020f1ac69cf9b854ab), and we should look at alternatives that fit our needs.

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🛠️ Repo: Stop using deprecated `karma` library #5253

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Uh oh!

🛠️ Repo: Stop using deprecated karma library #5253

Description

Tooling Suggestion Checklist

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Additional Info

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Metadata

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🛠️ Repo: Stop using deprecated `karma` library #5253