chore(deps-dev): bump happy-dom from 20.3.4 to 20.4.0

Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 20.3.4 to 20.4.0.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](capricorn86/happy-dom@v20.3.4...v20.4.0)

---
updated-dependencies:
- dependency-name: happy-dom
  dependency-version: 20.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -82,7 +82,7 @@
     "core-js": "^3.48.0",
     "gettext-extractor": "^4.0.5",
     "gettext-parser": "^9.0.0",
-    "happy-dom": "^20.3.4",
+    "happy-dom": "^20.4.0",
     "sass": "^1.97.2",
     "stylelint": "^17.0.0",
     "tslib": "^2.8.1",