chore(deps-dev): bump happy-dom from 15.11.7 to 20.8.8 in /packages/siwx

Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 15.11.7 to 20.8.8.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](capricorn86/happy-dom@v15.11.7...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]

packages/siwx/package.json

@@ -47,7 +47,7 @@
   "devDependencies": {
     "@types/react": "19.1.15",
     "@vitest/coverage-v8": "2.1.9",
-    "happy-dom": "15.11.7",
+    "happy-dom": "20.8.8",
     "react": "19.1.2",
     "vitest": "3.1.3",
     "vue": "3.5.13"