[TASK] Move changelog files into 10.4 folder part 2

The changelog files for the version 10.4 must leave the
master folder now and move to their final home in 10.4.

Resolves: #91106
Releases: master
Change-Id: If4b7d5e737b0759592600c06578e6aac3a78f6d9
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64269


Tested-by: Josef Glatz <josefglatz@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Josef Glatz <josefglatz@gmail.com>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>