Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires phpunit/phpunit ^11.2 -> satisfiable by phpunit/phpunit[11.2.0, ..., 11.2.6].
- Root composer.json requires yii2-extensions/phpstan dev-main -> satisfiable by yii2-extensions/phpstan[dev-main].
- yii2-extensions/phpstan dev-main requires nikic/php-parser ^4.1 -> satisfiable by nikic/php-parser[v4.1.0, ..., v4.19.1].
- You can only install one version of a package, so only one of these can be installed: nikic/php-parser[v4.1.0, ..., v4.19.1, v5.0.0, v5.0.1, v5.0.2, v5.1.0].
- phpunit/php-code-coverage[11.0.0, ..., 11.0.5] require nikic/php-parser ^5.0 -> satisfiable by nikic/php-parser[v5.0.0, v5.0.1, v5.0.2, v5.1.0].
- Conclusion: install phpunit/php-code-coverage 11.0.5 (conflict analysis result)