[TASK] Create changelog for v12.4

Resolves: #100332
Releases: main
Change-Id: I10bf6b31ff0eba3bdce69b0c512836c77a269baf
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78296


Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>