Bump ckeditor5 from 43.1.0 to 43.1.1

Bumps [ckeditor5](https://github.com/ckeditor/ckeditor5) from 43.1.0 to 43.1.1.
- [Release notes](https://github.com/ckeditor/ckeditor5/releases)
- [Changelog](https://github.com/ckeditor/ckeditor5/blob/master/CHANGELOG.md)
- [Commits](ckeditor/ckeditor5@v43.1.0...v43.1.1)

---
updated-dependencies:
- dependency-name: ckeditor5
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>