This update makes a warning more specific.

Run commands:

> composer req --dev phpstan/phpstan:^1.9.2
> ./Build/Scripts/runTests.sh -s phpstanGenerateBaseline

Resolves: #99045
Releases: main, 11.5
Change-Id: I4c5af9d69e0e5b8f4b0d78efd4caa4ed79aed795
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76538


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