Unexpected token 'export' on webpack.config.js

Error log:
```
❯ npx grapesjs-cli serve

Start the development server...

/path-to-my-project/webpack.config.js:1
export default ({ config }) => {
^^^^^^

SyntaxError: Unexpected token 'export'
at internalCompileFunction (node:internal/vm:77:18)
at wrapSafe (node:internal/modules/cjs/loader:1288:20)
at Module._compile (node:internal/modules/cjs/loader:1340:27)
at Module._extensions..js (node:internal/modules/cjs/loader:1435:10)
at Module.load (node:internal/modules/cjs/loader:1207:32)
at Module._load (node:internal/modules/cjs/loader:1023:12)
at Module.require (node:internal/modules/cjs/loader:1235:19)
at require (node:internal/modules/helpers:176:18)
at z (/path-to-my-project/node_modules/grapesjs-cli/dist/cli.js:2:3246)
at /path-to-my-project/node_modules/grapesjs-cli/dist/cli.js:2:5256
```