chore: bump happy-dom

Author: Miodec

frontend/package.json

@@ -101,7 +101,7 @@
     "eslint-plugin-solid": "0.14.5",
     "firebase-tools": "13.15.1",
     "fontawesome-subset": "4.4.0",
-    "happy-dom": "20.0.10",
+    "happy-dom": "20.8.9",
     "jsdom": "27.4.0",
     "madge": "8.0.0",
     "magic-string": "0.30.17",