chore: bump polkadot-js deps (#855)

packages/reactnative-identicon/package.json

@@ -22,8 +22,8 @@
   "main": "index.js",
   "dependencies": {
     "@polkadot/ui-shared": "3.16.4",
-    "@polkadot/util": "^13.5.9",
-    "@polkadot/util-crypto": "^13.5.9",
+    "@polkadot/util": "^14.0.1",
+    "@polkadot/util-crypto": "^14.0.1",
     "react-native-svg": "^14.1.0",
     "tslib": "^2.8.1"
   },