Bump @babel/preset-env from 7.5.5 to 7.6.0
Bump @babel/preset-env from 7.5.5 to 7.6.0

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.5.5 to 7.6.0.
- [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...v7.6.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
petamoriken/float16,petamoriken/float16,petamoriken/float16