Bump uglifier from 3.0.4 to 4.1.5
Bump uglifier from 3.0.4 to 4.1.5

Bumps [uglifier](https://github.com/lautis/uglifier) from 3.0.4 to 4.1.5.
- [Changelog](https://github.com/lautis/uglifier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/lautis/uglifier/compare/v3.0.4...v4.1.5)
siggymcfried/data_day,siggymcfried/data_day,siggymcfried/data_day