chore(deps-dev): bump happy-dom from 20.5.0 to 20.6.0

Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 20.5.0 to 20.6.0.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](capricorn86/happy-dom@v20.5.0...v20.6.0)

---
updated-dependencies:
- dependency-name: happy-dom
  dependency-version: 20.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]