chore: Bump phpstan/phpstan from 2.1.17 to 2.1.18

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 2.1.17 to 2.1.18.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/2.1.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@2.1.17...2.1.18)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-version: 2.1.18
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

composer.json

@@ -28,7 +28,7 @@
     "guzzlehttp/guzzle": "^7.5"
   },
   "require-dev": {
-    "phpstan/phpstan": "2.1.17",
+    "phpstan/phpstan": "2.1.18",
     "phpunit/phpunit": "11.5.21",
     "rector/rector": "2.1.1",
     "symplify/easy-coding-standard": "12.5.20",