Bump minimatch, mocha and gulp-mocha#21

dependabot[bot] wants to merge 1 commit intomasterryanmpelletier/tank-game:masterfrom

dependabot/npm_and_yarn/minimatch-and-mocha-and-gulp-mocha-3.0.4ryanmpelletier/tank-game:dependabot/npm_and_yarn/minimatch-and-mocha-and-gulp-mocha-3.0.4Copy head branch name to clipboard