chore: update @types/node and engines to match Node.js 24

- Update @types/node from ^16.9.1 to ^24.10.9
- Update engines.node from >=16 to >=24

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: paulbalaji

package.json

@@ -15,7 +15,7 @@
     "@hyperlane-xyz/utils": "20.1.0",
     "@types/chai-as-promised": "^8",
     "@types/mocha": "^10.0.1",
-    "@types/node": "^16.9.1",
+    "@types/node": "^24.10.9",
     "@typescript-eslint/parser": "^7.7.0",
     "chai": "^5.1.2",
     "chai-as-promised": "^8.0.1",
@@ -58,7 +58,7 @@
   ],
   "sideEffects": false,
   "engines": {
-    "node": ">=16"
+    "node": ">=24"
   },
   "homepage": "https://www.hyperlane.xyz",
   "repository": "https://github.com/hyperlane-xyz/hyperlane-registry",