Add ethereum icon type (#391)

packages/ui-settings/package.json

@@ -10,8 +10,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/networks": "^3.6.1",
-    "@polkadot/util": "^3.6.1",
+    "@polkadot/networks": "^4.0.0-3",
+    "@polkadot/util": "^4.0.0-3",
     "eventemitter3": "^4.0.7",
     "store": "^2.0.12"
   },