Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^8.2 but your php version (8.1.2) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/var-dumper ^7.0 -> satisfiable by symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev]. - symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. Problem 3 - symfony/error-handler[v5.0.0-BETA1, ..., v5.0.0-RC1] require php ^7.2.9 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v4.4.0-BETA1, ..., v4.4.8] require php ^7.1.3 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v4.4.9, ..., 4.4.x-dev, v5.0.9, ..., 5.3.x-dev] require symfony/var-dumper ^4.4|^5.0 -> found symfony/var-dumper[v4.4.0-BETA1, ..., 4.4.x-dev, v5.0.0-BETA1, ..., 5.4.x-dev] but it conflicts with your root composer.json require (^7.0). - symfony/error-handler[v5.0.0, ..., v5.1.0-RC1] require php ^7.2.5 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v5.4.0-BETA1, ..., 5.4.x-dev] require symfony/var-dumper ^4.4|^5.0|^6.0 -> found symfony/var-dumper[v4.4.0-BETA1, ..., 4.4.x-dev, v5.0.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev] but it conflicts with your root composer.json require (^7.0). - symfony/error-handler[v6.0.0-BETA1, ..., 6.3.x-dev] require symfony/var-dumper ^5.4|^6.0 -> found symfony/var-dumper[v5.4.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev] but it conflicts with your root composer.json require (^7.0). - symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. - symfony/http-kernel[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. - symfony/http-kernel[v5.4.20, ..., 5.4.x-dev] require symfony/error-handler ^4.4|^5.0|^6.0 -> satisfiable by symfony/error-handler[v4.4.0-BETA1, ..., 4.4.x-dev, v5.0.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev]. - symfony/http-kernel[v6.4.0-BETA1, ..., 6.4.x-dev] require symfony/error-handler ^6.4|^7.0 -> satisfiable by symfony/error-handler[v6.4.0-BETA1, v6.4.0-RC1, v6.4.0, 6.4.x-dev, v7.0.0-BETA1, ..., 7.1.x-dev]. - roave/security-advisories dev-master conflicts with symfony/http-kernel >=2,<4.4.50|>=5,<5.4.20|>=6,<6.0.20|>=6.1,<6.1.12|>=6.2,<6.2.6. - symfony/error-handler[v6.4.0-BETA1, ..., 6.4.x-dev] require symfony/var-dumper ^5.4|^6.0|^7.0 -> satisfiable by symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev]. - Root composer.json requires roave/security-advisories dev-master -> satisfiable by roave/security-advisories[dev-master]. - Root composer.json requires symfony/http-kernel ^5.4 || ^6.4 || ^7.0 -> satisfiable by symfony/http-kernel[v5.4.0-BETA1, ..., 5.4.x-dev, v6.4.0-BETA1, ..., 6.4.x-dev, v7.0.0-BETA1, ..., 7.1.x-dev].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^8.2 but your php version (8.1.2) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/var-dumper ^7.0 -> satisfiable by symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev]. - symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. Problem 3 - symfony/error-handler[v5.0.0-BETA1, ..., v5.0.0-RC1] require php ^7.2.9 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v4.4.0-BETA1, ..., v4.4.8] require php ^7.1.3 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v4.4.9, ..., 4.4.x-dev, v5.0.9, ..., 5.3.x-dev] require symfony/var-dumper ^4.4|^5.0 -> found symfony/var-dumper[v4.4.0-BETA1, ..., 4.4.x-dev, v5.0.0-BETA1, ..., 5.4.x-dev] but it conflicts with your root composer.json require (^7.0). - symfony/error-handler[v5.0.0, ..., v5.1.0-RC1] require php ^7.2.5 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v5.4.0-BETA1, ..., 5.4.x-dev] require symfony/var-dumper ^4.4|^5.0|^6.0 -> found symfony/var-dumper[v4.4.0-BETA1, ..., 4.4.x-dev, v5.0.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev] but it conflicts with your root composer.json require (^7.0). - symfony/error-handler[v6.0.0-BETA1, ..., 6.3.x-dev] require symfony/var-dumper ^5.4|^6.0 -> found symfony/var-dumper[v5.4.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev] but it conflicts with your root composer.json require (^7.0). - symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. - symfony/http-kernel[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. - symfony/error-handler[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. - symfony/http-kernel[v5.4.20, ..., 5.4.x-dev] require symfony/error-handler ^4.4|^5.0|^6.0 -> satisfiable by symfony/error-handler[v4.4.0-BETA1, ..., 4.4.x-dev, v5.0.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev]. - symfony/http-kernel[v6.4.0-BETA1, ..., 6.4.x-dev] require symfony/error-handler ^6.4|^7.0 -> satisfiable by symfony/error-handler[v6.4.0-BETA1, v6.4.0-RC1, v6.4.0, 6.4.x-dev, v7.0.0-BETA1, ..., 7.1.x-dev]. - roave/security-advisories dev-master conflicts with symfony/http-kernel >=2,<4.4.50|>=5,<5.4.20|>=6,<6.0.20|>=6.1,<6.1.12|>=6.2,<6.2.6. - symfony/error-handler[v6.4.0-BETA1, ..., 6.4.x-dev] require symfony/var-dumper ^5.4|^6.0|^7.0 -> satisfiable by symfony/var-dumper[v7.0.0-BETA1, ..., 7.1.x-dev]. - Root composer.json requires roave/security-advisories dev-master -> satisfiable by roave/security-advisories[dev-master]. - Root composer.json requires symfony/http-kernel ^5.4 || ^6.4 || ^7.0 -> satisfiable by symfony/http-kernel[v5.4.0-BETA1, ..., 5.4.x-dev, v6.4.0-BETA1, ..., 6.4.x-dev, v7.0.0-BETA1, ..., 7.1.x-dev].

Process completed with exit code 2.

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