Bump @ckeditor/ckeditor5-paragraph from 15.0.0 to 16.0.0

Bumps [@ckeditor/ckeditor5-paragraph](https://github.com/ckeditor/ckeditor5-paragraph) from 15.0.0 to 16.0.0.
- [Release notes](https://github.com/ckeditor/ckeditor5-paragraph/releases)
- [Changelog](https://github.com/ckeditor/ckeditor5-paragraph/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ckeditor/ckeditor5-paragraph/compare/v15.0.0...v16.0.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>