* Bump @babel/plugin-proposal-object-rest-spread from 7.3.4 to 7.4.4

Bumps [@babel/plugin-proposal-object-rest-spread](https://github.com/babel/babel) from 7.3.4 to 7.4.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.3.4...v7.4.4)

* Bump @babel/core from 7.3.4 to 7.4.5

* Bump @babel/plugin-proposal-class-properties from 7.3.4 to 7.4.4

* Bump @babel/plugin-proposal-decorators from 7.3.0 to 7.4.4

* Bump @babel/preset-env from 7.3.4 to 7.4.5

* Bump @babel/runtime from 7.3.4 to 7.4.5