Add ethereum icon type (#391)

packages/reactnative-identicon/package.json

@@ -11,8 +11,8 @@
   "dependencies": {
     "@babel/runtime": "^7.12.1",
     "@polkadot/ui-shared": "^0.61.2-4",
-    "@polkadot/util": "^3.6.1",
-    "@polkadot/util-crypto": "^3.6.1",
+    "@polkadot/util": "^4.0.0-3",
+    "@polkadot/util-crypto": "^4.0.0-3",
     "react-native-svg": "^12.1.0"
   },
   "peerDependencies": {