webpack-cli v5 node-env issue

package.json

{
  "name": "webpack-cli-node-env-test",
  "scripts": {
    "build:development": "webpack --define-process-env-node-env development",
    "build:production": "webpack --define-process-env-node-env production"
  },
  "devDependencies": {
    "webpack": "5.75.0",
    "webpack-cli": "5.0.0"
  }
}

webpack.config.js

module.exports = function () {
    console.log("process.env.NODE_ENV =", process.env.NODE_ENV);
}

Referenced here: webpack/webpack-cli#3503