Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires nikic/php-parser ^5.0.0 -> satisfiable by nikic/php-parser[v5.0.0]. - nikic/php-parser v5.0.0 requires php >=7.4 -> your php version (7.3.33) does not satisfy that requirement. Problem 2 - infection/infection 0.13.6 requires nikic/php-parser ^4.2.1 -> found nikic/php-parser[v4.2.1, ..., v4.18.0] but it conflicts with your root composer.json require (^5.0.0). - infection/infection 0.15.3 requires nikic/php-parser ^4.2.2 -> found nikic/php-parser[v4.2.2, ..., v4.18.0] but it conflicts with your root composer.json require (^5.0.0). - infection/infection[0.26.0, ..., 0.26.6] require php ^7.4.7 || ^8.0 -> your php version (7.3.33) does not satisfy that requirement. - infection/infection[0.26.7, ..., 0.26.19] require php ^8.0 -> your php version (7.3.33) does not satisfy that requirement. - infection/infection[0.26.20, ..., 0.26.21] require php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. - Root composer.json requires infection/infection ^0.13.6 || ^0.15.3 || ^0.26.0 -> satisfiable by infection/infection[0.13.6, ..., 0.26.21].

Process completed with exit code 2.

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