[TASK] Configure path for acceptance tests

The codeception config has a configuration option
that points to the folder where the tests are stored.
This value does currently not point to the correct folder.

The path to the tests is currently added manually on each test
call which now can be dropped.

```
./bin/codecept run Acceptance \
 -c typo3/sysext/core/Build/AcceptanceTests.yml
 ```

Change-Id: I285b3623eddc457d3e02db7a9b83d6e88b7448f3
Resolves: #75612
Releases: master
Reviewed-on: https://review.typo3.org/47662


Reviewed-by: Dirk Jüttner <dirk.juettner@gmail.com>
Tested-by: Dirk Jüttner <dirk.juettner@gmail.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>