Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires infection/infection ^0.27.11 -> satisfiable by infection/infection[0.27.11].
- infection/infection 0.27.11 requires nikic/php-parser ^4.15.1 -> satisfiable by nikic/php-parser[v4.15.1, ..., v4.19.1].
- You can only install one version of a package, so only one of these can be installed: nikic/php-parser[v4.15.1, ..., v4.19.1, v5.0.0, v5.0.1, v5.0.2, v5.1.0].
- phpunit/php-code-coverage 11.0.5 requires nikic/php-parser ^5.0 -> satisfiable by nikic/php-parser[v5.0.0, v5.0.1, v5.0.2, v5.1.0].
- phpunit/phpunit 11.2.8 requires phpunit/php-code-coverage ^11.0.5 -> satisfiable by phpunit/php-code-coverage[11.0.5].
- Root composer.json requires phpunit/phpunit ^11.2.8 -> satisfiable by phpunit/phpunit[11.2.8].
Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.