Bump handlebars from 4.3.3 to 4.7.7 in /angular-app#15

dependabot[bot] wants to merge 1 commit intomasterdiva-e/angular-bloomreach-integration:masterfrom

dependabot/npm_and_yarn/angular-app/handlebars-4.7.7diva-e/angular-bloomreach-integration:dependabot/npm_and_yarn/angular-app/handlebars-4.7.7Copy head branch name to clipboard