Cannot find module 'webpack-cli/bin/config-yargs

webpack5 ： 启动 webpack-dev-server 报错 ： “Cannot find module 'webpack-cli/bin/config-yargs”

分析原因
webpack，webpack-cli 以及 webpack-dev-server版本不兼容

解决方案： 回退版本，等待官方解决兼容性问题再升级webpack
亲测回退版本有效

"webpack": "^4.43.0",
"webpack-cli": "^3.3.12",
"webpack-dev-server": "^3.11.0"