Upgrade dependencies

Author: karl-run

example/package.json

@@ -7,9 +7,9 @@
   "dependencies": {
     "prop-types": "^15.7.2",
     "react": "link:../node_modules/react",
-    "react-dom": "link:../node_modules/react-dom",
     "react-bottom-scroll-listener": "link:..",
-    "react-scripts": "^3.0.1",
+    "react-dom": "link:../node_modules/react-dom",
+    "react-scripts": "^3.1.2",
     "react-toggle": "^4.0.2"
   },
   "scripts": {