Updates styled-components, react typings

packages/website/package.json

@@ -60,7 +60,7 @@
         "redux-devtools-extension": "^2.13.2",
         "rollbar": "^2.4.7",
         "semver-sort": "0.0.4",
-        "styled-components": "^3.3.0",
+        "styled-components": "^4.1.1",
         "thenby": "^1.2.3",
         "truffle-contract": "2.0.1",
         "web3-provider-engine": "14.0.6",
@@ -77,7 +77,7 @@
         "@types/node": "*",
         "@types/numeral": "^0.0.22",
         "@types/query-string": "^5.1.0",
-        "@types/react": "^16.4.2",
+        "@types/react": "^16.7.7",
         "@types/react-copy-to-clipboard": "^4.2.0",
         "@types/react-dom": "^16.0.7",
         "@types/react-helmet": "^5.0.6",