fix(package): update commander to version 5.1.0

Closes #55

Author: greenkeeper[bot]

package.json

@@ -20,7 +20,7 @@
     "dependencies": {
         "budgie": "0.3.27",
         "chalk": "^2.4.2",
-        "commander": "^3.0.2",
+        "commander": "^5.1.0",
         "glob": "^7.1.5",
         "minimatch": "^3.0.4",
         "mz": "^2.7.0",