Bump json5 and babelify in /frontend#24

dependabot[bot] wants to merge 1 commit intomasterRareloop/primer-frontend:masterfrom

dependabot/npm_and_yarn/frontend/json5-and-babelify-2.2.3Rareloop/primer-frontend:dependabot/npm_and_yarn/frontend/json5-and-babelify-2.2.3Copy head branch name to clipboard