chore(deps-dev): Bump happy-dom from 20.8.8 to 20.8.9

Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 20.8.8 to 20.8.9.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](capricorn86/happy-dom@v20.8.8...v20.8.9)

---
updated-dependencies:
- dependency-name: happy-dom
  dependency-version: 20.8.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -59,7 +59,7 @@
     "@types/node": "^25.5.0",
     "@vitest/coverage-v8": "^4.1.0",
     "eslint": "^9.29.0",
-    "happy-dom": "^20.8.8",
+    "happy-dom": "^20.8.9",
     "typedoc": "^0.28.17",
     "typescript": "^5.9.3",
     "vitest": "^4.0.7"