[TASK] Use ISO 8601 format for date rendering

Resolves: #103496
Releases: main, 12.4
Change-Id: I688540c91e85d28eec1951305d63028efa27eb82
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83617


Tested-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>