[DOCS] Streamline references to manuals in LTS versions

Links from LTS versions to other manuals should reference
the same version.

Resolves: #102036
Releases: 12.4, 11.5
Change-Id: Ia127b21a7f23b97d6589376d9c1eff5c66e41490
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81331


Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>