Simon Schaufelberger authored Dec 20, 2021 and Christian Kuhn committed Dec 21, 2021

According to https://docs.phpdoc.org/latest/guide/guides/types.html#union-types
it is only allowed to use "string|null" and not "?string"

Resolves: #96407
Releases: main, 11.5
Change-Id: I4e9ec53d05feb5cfffc4eebc29de447d6225ab66
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72774


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