Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^11.0 -> satisfiable by phpunit/phpunit[11.0.0, 11.0.1, 11.0.2, 11.0.3]. - phpunit/phpunit[11.0.0, ..., 11.0.3] require php >=8.2 -> your php version (8.1.27) does not satisfy that requirement. Problem 2 - spatie/phpunit-snapshot-assertions 5.1.4 requires phpunit/phpunit ^10.0|^11.0 -> satisfiable by phpunit/phpunit[11.0.0, 11.0.1, 11.0.2, 11.0.3]. - spatie/phpunit-snapshot-assertions[5.0.0, ..., 5.1.3] require phpunit/phpunit ^10.0 -> found phpunit/phpunit[10.0.0, ..., 10.5.10] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit[11.0.0, ..., 11.0.3] require php >=8.2 -> your php version (8.1.27) does not satisfy that requirement. - Root composer.json requires spatie/phpunit-snapshot-assertions ^5.0 -> satisfiable by spatie/phpunit-snapshot-assertions[5.0.0, ..., 5.1.4].

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Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.