[TASK] Fix formatting of lists in Changelog

Lists in reStructuredText must be seperated by the rest of a text
a newline. If not, the text is not rendered correctly.
This patch fixes incorrectly formatted lists in the .rst files of
the Changelog.

Resolves: #85995
Releases: master,8.7
Change-Id: Icc390862f77ee99a5f96373e85ef5e09ac4272d5
Reviewed-on: https://review.typo3.org/58587


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>