Test\IntegrityCheck\CheckerTest::testVerifyCoreSignatureWithModifiedMimetypelistSignatureData is failing

![Image](https://github.com/user-attachments/assets/5ba8ea75-725a-4a52-83b1-9090a52e5613)


Regression from https://github.com/nextcloud/server/pull/51405.

Apparently, the change to resources/config did not trigger a CI run for the PHP tests.