Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/console ^4.3 || ^5.4 || ^6.0 -> satisfiable by symfony/console[v6.4.0, v6.4.1, v6.4.2, v6.4.3]. - symfony/console[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/expression-language ^4.3 || ^5.4 || ^6.0 -> satisfiable by symfony/expression-language[v6.4.0, v6.4.2, v6.4.3]. - symfony/expression-language[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 3 - Root composer.json requires symfony/config ^4.3 || ^5.4 || ^6.2 -> satisfiable by symfony/config[v6.4.0, v6.4.3]. - symfony/config[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 4 - Root composer.json requires symfony/asset ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/asset[v6.4.0, v6.4.3]. - symfony/asset[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 5 - Root composer.json requires symfony/browser-kit ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/browser-kit[v6.4.0, v6.4.3]. - symfony/browser-kit[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 6 - Root composer.json requires symfony/css-selector ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/css-selector[v6.4.0, v6.4.3]. - symfony/css-selector[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 7 - Root composer.json requires symfony/filesystem ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/filesystem[v6.4.0, v6.4.3]. - symfony/filesystem[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 8 - Root composer.json requires symfony/security-csrf ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/security-csrf[v6.4.0, v6.4.3]. - symfony/security-csrf[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 9 - Root composer.json requires symfony/templating ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/templating[v6.4.0, v6.4.3]. - symfony/templating[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 10 - Root composer.json requires symfony/property-access ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/property-access[v6.4.0, v6.4.3]. - symfony/property-access[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 11 - Root composer.json requires symfony/routing ^4.4.15 || ^5.4 || ^6.4 -> satisfiable by symfony/routing[v6.4.0, v6.4.1, v6.4.2, v6.4.3]. - symfony/routing[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 12 - Root composer.json requires symfony/twig-bundle ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/twig-bundle[v6.4.0, v6.4.3]. - symfony/twig-bundle[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 13 - symfony/framework-bundle[v6.4.0, ..., v6.4.3] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. - Root composer.json requires symfony/framework-bundle ^4.3 || ^5.4 || ^6.0 -> satisfiable by symfony/framework-bundle[v6.4.0, v6.4.1, v6.4.2, v6.4.3].

Could not find package phpunit/phpunit with version 8.3.* in a version installable using your PHP version, PHP extensions and Composer version.

Could not read composer.json The file "composer.json" is not readable.

File "composer.json" cannot be found in the current directory

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, ramsey/composer-install@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, ramsey/composer-install@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/