Bump handlebars from 4.0.12 to 4.7.7 in /angular/angular-toh-app-server#56

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dependabot/npm_and_yarn/angular/angular-toh-app-server/handlebars-4.7.7gitana/sdk:dependabot/npm_and_yarn/angular/angular-toh-app-server/handlebars-4.7.7Copy head branch name to clipboard