Bumps [core-js](https://github.com/zloirock/core-js) from 3.4.8 to 3.6.3.
- [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/v3.4.8...v3.6.3)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>