Update dependency jsdom to v27

Author: renovate[bot]

package.json

@@ -99,7 +99,7 @@
     "eslint-plugin-testing-library": "7.13.3",
     "express": "5.1.0",
     "globals": "16.5.0",
-    "jsdom": "26.1.0",
+    "jsdom": "27.1.0",
     "prettier": "3.6.2",
     "serve": "14.2.5",
     "serve-static": "2.2.0",