Bump electron from 7.1.5 to 7.2.4 in /frontend#4

dependabot[bot] wants to merge 1 commit intodevgregorjan/mirror-dash:devfrom

dependabot/npm_and_yarn/frontend/electron-7.2.4gregorjan/mirror-dash:dependabot/npm_and_yarn/frontend/electron-7.2.4Copy head branch name to clipboard