Bump core-js from 3.4.1 to 3.4.2 (#682)
Bump core-js from 3.4.1 to 3.4.2 (#682)

Bumps [core-js](https://github.com/zloirock/core-js) from 3.4.1 to 3.4.2.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zloirock/core-js/compare/v3.4.1...v3.4.2)

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