Bump webpack from 5.93.0 to 5.94.0 in /ui/react-app

Bumps [webpack](https://github.com/webpack/webpack) from 5.93.0 to 5.94.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.93.0...v5.94.0

)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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