TYPO3 13 support

[fnagel]

Update extension for TYPO3 CMS 13 LTS.

LTS version will be released 2024-10-15 according to https://typo3.org/cms/roadmap.

References:

• https://get.typo3.org/release-notes/13.0.0
• https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog-13.html
• https://brot.krue.ml/what-you-can-do-today-to-ease-the-upgrade-to-typo3-v13/