Bump uglifier from 4.0.2 to 4.1.3
Bump uglifier from 4.0.2 to 4.1.3

Bumps [uglifier](https://github.com/lautis/uglifier) from 4.0.2 to 4.1.3.
- [Changelog](https://github.com/lautis/uglifier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/lautis/uglifier/compare/v4.0.2...v4.1.3)
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