Bump commander from 2.20.3 to 3.0.2

Bumps [commander](https://github.com/tj/commander.js) from 2.20.3 to 3.0.2.
- [Release notes](https://github.com/tj/commander.js/releases)
- [Changelog](https://github.com/tj/commander.js/blob/master/CHANGELOG.md)
- [Commits](tj/commander.js@v2.20.3...v3.0.2)

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

package.json

@@ -40,7 +40,7 @@
     "typescript": "^3.0.0"
   },
   "dependencies": {
-    "commander": "^2.9.0",
+    "commander": "^3.0.2",
     "cross-spawn": "^7.0.1",
     "execa": "^3.2.0",
     "glob": "^7.0.5"