Bump webpack from 5.71.0 to 5.78.0 in /audit-test (#79)

Bumps [webpack](https://github.com/webpack/webpack) from 5.71.0 to 5.78.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.71.0...v5.78.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: indirect
...

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