chore(deps-dev): update friendsofphp/php-cs-fixer requirement

Updates the requirements on [friendsofphp/php-cs-fixer](https://github.com/PHP-CS-Fixer/PHP-CS-Fixer) to permit the latest version.
- [Release notes](https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/releases)
- [Changelog](https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/blob/master/CHANGELOG.md)
- [Commits](PHP-CS-Fixer/PHP-CS-Fixer@v3.50.0...v3.51.0)

---
updated-dependencies:
- dependency-name: friendsofphp/php-cs-fixer
  dependency-type: direct:development
...

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

composer.json

@@ -29,7 +29,7 @@
     "require-dev": {
         "fakerphp/faker": "1.23.1",
         "friends-of-phpspec/phpspec-code-coverage": "6.3.0",
-        "friendsofphp/php-cs-fixer": "3.50.0",
+        "friendsofphp/php-cs-fixer": "3.51.0",
         "pedrotroller/php-cs-custom-fixer": "2.33.0",
         "phpspec/phpspec": "7.5.0",
         "phpspec/prophecy": "1.18.0",