Bump loader-utils and react-scripts in /helloreactworld#4

dependabot[bot] wants to merge 1 commit intomasterdavidmarsland/react-spike:masterfrom

dependabot/npm_and_yarn/helloreactworld/loader-utils-and-react-scripts-2.0.3davidmarsland/react-spike:dependabot/npm_and_yarn/helloreactworld/loader-utils-and-react-scripts-2.0.3Copy head branch name to clipboard