Bump uglify-js from 2.4.0 to 3.7.0 in /mbostock-d3-f2347b4
Bump uglify-js from 2.4.0 to 3.7.0 in /mbostock-d3-f2347b4

Bumps [uglify-js](https://github.com/mishoo/UglifyJS2) from 2.4.0 to 3.7.0.
- [Release notes](https://github.com/mishoo/UglifyJS2/releases)
- [Commits](https://github.com/mishoo/UglifyJS2/compare/v2.4.0...v3.7.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
dawehner/presentation-d8-routing,dawehner/presentation-d8-routing