Your requirements could not be resolved to an installable set of packages. Problem 1 - ergebnis/composer-normalize is locked to version 2.43.0 and an update of this package was not requested. - ergebnis/composer-normalize 2.43.0 requires php ~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (7.3.33) does not satisfy that requirement. Problem 2 - doctrine/instantiator 2.0.0 requires php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. - phpunit/phpunit 9.6.19 requires doctrine/instantiator ^1.3.1 || ^2 -> satisfiable by doctrine/instantiator[2.0.0]. - phpunit/phpunit is locked to version 9.6.19 and an update of this package was not requested.

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/