Revert "⬆️ Bump webpack-cli from 3.3.12 to 4.7.2 (#7)"

This reverts commit 079d1c7.

Author: shejinxin

package.json

@@ -146,7 +146,7 @@
     "webpack": "^4.41.5",
     "webpack-build-notifier": "^2.0.0",
     "webpack-bundle-analyzer": "^3.6.0",
-    "webpack-cli": "^4.7.2",
+    "webpack-cli": "^3.3.10",
     "webpack-dev-server": "^3.9.0",
     "webpack-merge": "^5.8.0"
   },