test(wallet): pin jsdom to ^26 for Node 20 (CI) compatibility

jsdom@30 declares engines node ^22.22 || ^24.15 || >=26 and pulls undici@8,
whose markAsUncloneable call is absent on the Node 20 CI runtime — the Web
check failed with 'webidl.util.markAsUncloneable is not a function'. It passed
locally only on Node 25. jsdom@26.1.0 supports Node >=18 and drops that undici,
matching the repo's Node 20 baseline. Tests unchanged; 104 pass.

Author: mariaelisaaraya

apps/web/package.json

@@ -41,7 +41,7 @@
     "@types/react-dom": "^19",
     "eslint": "^9",
     "eslint-config-next": "16.2.6",
-    "jsdom": "^30.0.1",
+    "jsdom": "^26.1.0",
     "sharp": "^0.34.5",
     "tailwindcss": "^4",
     "typescript": "^5",