build(deps-dev): bump grunt from 1.0.4 to 1.5.3 in /showcase/resources/reveal#28

dependabot[bot] wants to merge 1 commit intomasterTalkControl/talk-control:masterfrom

dependabot/npm_and_yarn/showcase/resources/reveal/grunt-1.5.3TalkControl/talk-control:dependabot/npm_and_yarn/showcase/resources/reveal/grunt-1.5.3Copy head branch name to clipboard