Bump @babel/core from 7.5.5 to 7.6.3 Bumps [@babel/core](https://github.com/babel/babel) from 7.5.5 to 7.6.3. - [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/v7.5.5...v7.6.3) Signed-off-by: dependabot-preview[bot]