Bump webpack from 5.88.1 to 5.99.9 in /5-browser-extension/start

Bumps [webpack](https://github.com/webpack/webpack) from 5.88.1 to 5.99.9.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.88.1...v5.99.9)

---
updated-dependencies:
- dependency-name: webpack
  dependency-version: 5.99.9
  dependency-type: direct:development
...

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Author: dependabot[bot]