Bump uglify-js from 3.5.6 to 3.5.7 (#506)
Bump uglify-js from 3.5.6 to 3.5.7 (#506)

Bumps [uglify-js](https://github.com/mishoo/UglifyJS2) from 3.5.6 to 3.5.7.
- [Release notes](https://github.com/mishoo/UglifyJS2/releases)
- [Commits](https://github.com/mishoo/UglifyJS2/compare/v3.5.6...v3.5.7)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
thisconnect/tools,thisconnect/tools