build(deps): bump handlebars and serve#21

dependabot[bot] wants to merge 1 commit intomasterloomhq/electron:masterfrom

dependabot/npm_and_yarn/handlebars-and-serve-4.7.8loomhq/electron:dependabot/npm_and_yarn/handlebars-and-serve-4.7.8Copy head branch name to clipboard