[TASK] Raise typo3/testing-framework to ~5.0.1

[TASK] Raise typo3/testing-framework to ~5.0.1

The new version no longer uses two deprecated frontend
hooks and switches to proper psr-15 middleware instead.
This unlocks the according hook removal for core in
a separate patch.

composer require --dev typo3/testing-framework ~5.0.1

Change-Id: Ia30704174d975df6a253b0bac66e037b5dc4987d
Resolves: #87358
Reviewed-on: https://review.typo3.org/59363
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>