[TASK] Deprecate unused methods of VersionNumberUtility

The following methods of `\TYPO3\CMS\Core\Utility\VersionNumberUtility`
are unused and can be deprecated:

- `splitVersionRange`
- `raiseVersionNumber`
- `convertIntegerToVersionNumber`

Resolves: #88554
Releases: master
Change-Id: I28378a39d7cae4d2ae09cfb6a85c5d294565a2f7
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/60997


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Benni Mack <benni@typo3.org>