chore(deps): update dependency happy-dom to v20 [security] (#439)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/devtools-vite/package.json

@@ -72,6 +72,6 @@
     "@types/babel__generator": "^7.27.0",
     "@types/babel__traverse": "^7.28.0",
     "@types/picomatch": "^4.0.2",
-    "happy-dom": "^18.0.1"
+    "happy-dom": "^20.0.0"
   }
 }