[DOCS] Fix broken text role markup in changelog

Resolves: #90926
Releases: master, 9.5
Change-Id: I088e2aeb1ae1f3979ec4ba8f7f345032bebfc96a
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64048


Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>