[BUGFIX] Update ckeditor to 4.14.0

This commit updates ckeditor to version 4.14.0. This release contains
a bugfix for self-XSS'ing the editor:
https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed

Command executed:

  yarn add ckeditor4:^4.14.0

Resolves: #91149
Releases: master, 9.5
Change-Id: I46e2b95773ed0b4fd623a1843ab690a0b596728d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64262


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Susanne Moog <look@susi.dev>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Josef Glatz <josefglatz@gmail.com>
Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Benni Mack <benni@typo3.org>