[DOCS] Correctly close tags in changelogs

Releases: master
Resolves: #91395
Change-Id: If1c5c896c519aa5cf5ff35072bb101f718f8cdcb
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64488


Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Josef Glatz <josefglatz@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Josef Glatz <josefglatz@gmail.com>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>