fix(package): update react-scripts to version 3.4.1

Closes #5

Author: greenkeeper[bot]

package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
-    "react-scripts": "3.1.0",
+    "react-scripts": "3.4.1",
     "use-combined-reducers": "^1.0.3",
     "uuid": "^3.3.2"
   },