Merge pull request #74 from SuperMap/dependabot/npm_and_yarn/commander-4.0.1

Bump commander from 2.20.3 to 4.0.1

Author: songyumeng

package.json

@@ -67,7 +67,7 @@
     "browserify-imgify": "^0.0.1",
     "chromedriver": "75.1.0",
     "clean-css-cli": "^4.1.6",
-    "commander": "^2.15.1",
+    "commander": "^4.0.1",
     "cross-env": "^6.0.3",
     "css-loader": "^0.28.11",
     "es3ify-loader": "^0.2.0",