[DOCS] Switch changelog documentation to PHP-based rendering

You can try out the rendering locally with

```
cd typo3/sysext/core
docker run --rm --pull always -v $(pwd):/project -it ghcr.io/typo3-documentation/render-guides:latest --config=Documentation
```

Resolves: #103484
Releases: main
Change-Id: I3e0645fd8e0d27afeb9857945da444520b416a7e
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83588


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Lina Wolf <112@linawolf.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Garvin Hicking <gh@faktor-e.de>
Tested-by: Lina Wolf <112@linawolf.de>