[TASK] Bump phpunit and testing-framework

phpunit 11.2.5 comes with further memory consumption
improvements that obsolete some hacks we've had in
typo3/testing-framework. Raise both.

> composer u sebastian/exporter
> composer req --dev phpunit/phpunit:^11.2.5
> composer u typo3/testing-framework

Resolves: #104164
Releases: main, 12.4
Change-Id: Ib1c9d55833f7a950f98e2f902f8864eae289a6c1
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84800


Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>
Tested-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>