Your lock file does not contain a compatible set of packages. Please run composer update.
Problem 1
- doctrine/instantiator is locked to version 2.0.0 and an update of this package was not requested.
- doctrine/instantiator 2.0.0 requires php ^8.1 -> your php version (7.4.33) does not satisfy that requirement.
Problem 2
- symfony/deprecation-contracts is locked to version v3.3.0 and an update of this package was not requested.
- symfony/deprecation-contracts v3.3.0 requires php >=8.1 -> your php version (7.4.33) does not satisfy that requirement.
Problem 3
- symfony/string is locked to version v6.3.5 and an update of this package was not requested.
- symfony/string v6.3.5 requires php >=8.1 -> your php version (7.4.33) does not satisfy that requirement.
Problem 4
- doctrine/instantiator 2.0.0 requires php ^8.1 -> your php version (7.4.33) does not satisfy that requirement.
- phpunit/phpunit 9.6.13 requires doctrine/instantiator ^1.3.1 || ^2 -> satisfiable by doctrine/instantiator[2.0.0].
- phpunit/phpunit is locked to version 9.6.13 and an update of this package was not requested.