Bump minimatch, grunt-cli, grunt and grunt-contrib-jshint#21

dependabot[bot] wants to merge 1 commit intomasterEbookcoin/client:masterfrom

dependabot/npm_and_yarn/minimatch-and-grunt-cli-and-grunt-and-grunt-contrib-jshint-3.0.8Ebookcoin/client:dependabot/npm_and_yarn/minimatch-and-grunt-cli-and-grunt-and-grunt-contrib-jshint-3.0.8Copy head branch name to clipboard