[TASK] Enable former typo3/testing-framework for TYPO3 v11

Author: xperseguers

composer.json

@@ -35,7 +35,7 @@
         "phpstan/phpstan": "^1.10",
         "phpunit/phpunit": "^10.5",
         "typo3/coding-standards": "^0.8",
-		"typo3/testing-framework": "^8.3"
+		"typo3/testing-framework": "^7.1 || ^8.3"
     },
     "autoload": {
         "psr-4": {