chore(deps-dev): bump ng-packagr from 5.5.1 to 5.6.0
chore(deps-dev): bump ng-packagr from 5.5.1 to 5.6.0

Bumps [ng-packagr](https://github.com/ng-packagr/ng-packagr) from 5.5.1 to 5.6.0.
- [Release notes](https://github.com/ng-packagr/ng-packagr/releases)
- [Changelog](https://github.com/ng-packagr/ng-packagr/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ng-packagr/ng-packagr/compare/v5.5.1...v5.6.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
KillerCodeMonkey/ng2-quill,KillerCodeMonkey/ng2-quill,KillerCodeMonkey/ng2-quill,KillerCodeMonkey/ngx-quill,KillerCodeMonkey/ngx-quill