Bump loader-utils and react-scripts in /frontend#28

dependabot[bot] wants to merge 1 commit intomasterAndrewJBateman/fullstack-react-node-fileupload:masterfrom

dependabot/npm_and_yarn/frontend/loader-utils-and-react-scripts-2.0.4AndrewJBateman/fullstack-react-node-fileupload:dependabot/npm_and_yarn/frontend/loader-utils-and-react-scripts-2.0.4Copy head branch name to clipboard