[TASK] Link to docs on main in Install Tool -> View Upgrade Documentation

Releases: main, 11.5, 10.4
Resolves: #97885
Change-Id: Ib274d3d85f1311f100afe8e12167ebc6eaab21db
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/75089


Tested-by: core-ci <typo3@b13.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>