Update react-scripts to the latest version 🚀 #16

greenkeeper[bot] wants to merge 2 commits intomaster the-road-to-react-with-firebase/react-semantic-ui-firebase-authentication:masterfrom

greenkeeper/react-scripts-3.1.1 the-road-to-react-with-firebase/react-semantic-ui-firebase-authentication:greenkeeper/react-scripts-3.1.1Copy head branch name to clipboard