Bump handlebars from 4.1.2 to 4.7.7 in /react-web-app#13

dependabot[bot] wants to merge 1 commit intomasterksivamuthu/aws-amplify-conference:masterfrom

dependabot/npm_and_yarn/react-web-app/handlebars-4.7.7ksivamuthu/aws-amplify-conference:dependabot/npm_and_yarn/react-web-app/handlebars-4.7.7Copy head branch name to clipboard