[TASK] Update typo3/testing-framework

Raise from 2.0.3 to 2.0.4 in master and
from 1.2.2 to 1.2.3 in v8. Brings a patch
to hopefully stabilize acceptance tests again.

composer command used:
composer update typo3/testing-framework

Change-Id: I87d5a65b52bca6eceae805c5edbb13c7eccd1010
Resolves: #83887
Releases: master, 8.7
Reviewed-on: https://review.typo3.org/55708


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>