Bump commander from 4.1.1 to 5.0.0 (#172)

Bumps [commander](https://github.com/tj/commander.js) from 4.1.1 to 5.0.0.
- [Release notes](https://github.com/tj/commander.js/releases)
- [Changelog](https://github.com/tj/commander.js/blob/master/CHANGELOG.md)
- [Commits](tj/commander.js@v4.1.1...v5.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -34,7 +34,7 @@
   "license": "MIT",
   "devDependencies": {
     "colors": "^1.3.3",
-    "commander": "^4.0.0",
+    "commander": "^5.0.0",
     "coveralls": "^3.0.2",
     "istanbul": "^0.4.5",
     "jsdoc-to-markdown": "^5.0.0",