Update phpstan/phpstan requirement from 2.2.1 to 2.2.2

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan-phar-composer-source) to permit the latest version.
- [Commits](https://github.com/phpstan/phpstan-phar-composer-source/commits)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-version: 2.2.2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.65",
-        "phpstan/phpstan": "2.2.1",
+        "phpstan/phpstan": "2.2.2",
         "phpstan/phpstan-deprecation-rules": "^2.0",
         "phpstan/phpstan-strict-rules": "^2",
         "phpunit/phpunit": "^11.5",