[DOCS] Adjust link to Doctrine DBAL upgrade guide in changelog

Additionally, avoid double "see" in consecutive sentences.

Resolves: #103146
Related: #102875
Releases: main
Change-Id: If01e516c07c523dbb4dc7b6acb9cf487c4e6edf0
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83030


Tested-by: Garvin Hicking <gh@faktor-e.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Garvin Hicking <gh@faktor-e.de>