Update phpstan/phpstan requirement from 2.2.2 to 2.2.5 (#35)

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: 2.2.5
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -27,7 +27,7 @@
         "facile-it/facile-coding-standard": "1.5.0",
         "jangregor/phpstan-prophecy": "2.3.0",
         "phpstan/extension-installer": "^1.0",
-        "phpstan/phpstan": "2.2.2",
+        "phpstan/phpstan": "2.2.5",
         "phpstan/phpstan-phpunit": "2.0.16",
         "phpunit/phpunit": "^10.5.63 || ^11.5 || ^12.5 || ^13.0",
         "rector/rector": "2.5.3",