[TASK] Raise typo3/testing-framework:^6.9.0

Brings a new feature to speed up functional tests
and a series of tasks and bug fixes.

composer req --dev typo3/testing-framework:^6.9.0
composer req --dev typo3/testing-framework:^6.9.0 -d typo3/sysext/core/ --no-update

Change-Id: Iacfda77682d89468c0158fb467df90120a41a099
Resolves: #94733
Releases: master, 10.4
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70272


Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Jochen <rothjochen@gmail.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Jochen <rothjochen@gmail.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>