Build(deps-dev): Bump @rollup/plugin-babel from 6.0.3 to 6.0.4 (#39360)
Bumps [@rollup/plugin-babel](https://github.com/rollup/plugins/tree/HEAD/packages/babel) from 6.0.3 to 6.0.4.
- [Changelog](https://github.com/rollup/plugins/blob/master/packages/babel/CHANGELOG.md)
- [Commits](https://github.com/rollup/plugins/commits/babel-v6.0.4/packages/babel)