chore(deps-dev): Bump happy-dom from 20.8.4 to 20.8.8

Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 20.8.4 to 20.8.8.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](capricorn86/happy-dom@v20.8.4...v20.8.8)

---
updated-dependencies:
- dependency-name: happy-dom
  dependency-version: 20.8.8
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package-lock.json

@@ -44,7 +44,7 @@
     "@nextcloud/vite-config": "^2.5.2",
     "@vitest/coverage-v8": "^4.1.0",
     "eslint": "^9.39.3",
-    "happy-dom": "^20.8.4",
+    "happy-dom": "^20.8.8",
     "typedoc": "^0.28.17",
     "typescript": "^5.9.3",
     "vite": "^7.3.1",