Your requirements could not be resolved to an installable set of packages. Problem 1 - typo3/testing-framework[4.0.0, ..., 4.15.5] require typo3/cms-core ^9.3 -> found typo3/cms-core[v9.3.0, ..., v9.5.31] but it conflicts with your root composer.json require (^12.4). - typo3/testing-framework[5.0.0, ..., 5.0.16] require typo3/cms-core 10.*.*@dev -> found typo3/cms-core[v10.0.0, ..., v10.4.37] but it conflicts with your root composer.json require (^12.4). - typo3/testing-framework[6.4.0, ..., 6.16.9] require typo3/cms-core 10.*.*@dev || 11.*.*@dev -> found typo3/cms-core[v10.0.0, ..., v10.4.37, v11.0.0, ..., v11.5.31] but it conflicts with your root composer.json require (^12.4). - Root composer.json requires typo3/testing-framework ^6.4 || ^4 || ^5 -> satisfiable by typo3/testing-framework[4.0.0, ..., 4.15.5, 5.0.0, ..., 5.0.16, 6.4.0, ..., 6.16.9].

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