build(deps-dev): bump phpstan/phpstan from 1.11.6 to 2.0.1

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.11.6 to 2.0.1.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/2.0.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.11.6...2.0.1)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -25,7 +25,7 @@
         "symfony/yaml": "^2 || ^3 || ^4 || ^5 || ^6 || ^7"
     },
     "require-dev": {
-        "phpstan/phpstan": "^1",
+        "phpstan/phpstan": "^2",
         "phpunit/phpunit": "^11",
         "symplify/easy-coding-standard": "^12"
     },