[TASK] Update typo3/testing-framework from 4.11.1 to 5.0.0

[TASK] Update typo3/testing-framework from 4.11.1 to 5.0.0

Version 5.0.0 of typo3/testing-framework brings core v10
compatibility. This fixes a 'requirements could not be resolved'
message from composer for core master branch.

composer require --dev typo3/testing-framework:~5.0.0

Resolves: #87164
Releases: master
Change-Id: I3dab9b83d872545eff71705a3f4da2a73c40e0da
Reviewed-on: https://review.typo3.org/59158
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>