Bump handlebars from 4.1.2 to 4.7.7 in /frontend#12

dependabot[bot] wants to merge 1 commit intomasterghost-code-ninja/graphql-node-mongodb:masterfrom

dependabot/npm_and_yarn/frontend/handlebars-4.7.7ghost-code-ninja/graphql-node-mongodb:dependabot/npm_and_yarn/frontend/handlebars-4.7.7Copy head branch name to clipboard