www/typo3-12: Update 12.4.17 → 12.4.19

Both versions are a maintenance releases and contains bug fixes only.

For details about the releases, please see:
https://get.typo3.org/release-notes/12.4.18
https://typo3.org/article/typo3-12418-and-11539-maintenance-releases-published
https://get.typo3.org/release-notes/12.4.19
https://typo3.org/article/typo3-12419-maintenance-release-published

PR: 280903