build(deps-dev): bump happy-dom from 15.7.4 to 15.11.0 in /frontend

Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 15.7.4 to 15.11.0.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](capricorn86/happy-dom@v15.7.4...v15.11.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/package-lock.json

@@ -68,7 +68,7 @@
     "@vitest/coverage-v8": "^2.1.4",
     "autoprefixer": "^10.4.20",
     "browserslist-to-esbuild": "^2.1.1",
-    "happy-dom": "^15.7.4",
+    "happy-dom": "^15.11.0",
     "i18next-parser": "^9.0.2",
     "postcss": "^8.4.47",
     "postcss-modules": "^6.0.0",