[Security] Bump handlebars from 4.1.0 to 4.7.6#188

dependabot-preview[bot] merged 1 commit intomasteremberjs/ember-string:masterfrom

dependabot/npm_and_yarn/handlebars-4.7.6emberjs/ember-string:dependabot/npm_and_yarn/handlebars-4.7.6Copy head branch name to clipboard