composer(deps-dev): bump ergebnis/php-cs-fixer-config

Bumps [ergebnis/php-cs-fixer-config](https://github.com/ergebnis/php-cs-fixer-config) from 6.57.1 to 6.60.0.
- [Release notes](https://github.com/ergebnis/php-cs-fixer-config/releases)
- [Changelog](https://github.com/ergebnis/php-cs-fixer-config/blob/main/CHANGELOG.md)
- [Commits](ergebnis/php-cs-fixer-config@6.57.1...6.60.0)

---
updated-dependencies:
- dependency-name: ergebnis/php-cs-fixer-config
  dependency-version: 6.60.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

composer.json

@@ -52,7 +52,7 @@
     "ergebnis/composer-normalize": "^2.50.0",
     "ergebnis/factory-bot": "^1.10.0",
     "ergebnis/license": "^2.7.0",
-    "ergebnis/php-cs-fixer-config": "^6.57.1",
+    "ergebnis/php-cs-fixer-config": "^6.60.0",
     "ergebnis/phpunit-slow-test-detector": "^2.22.2",
     "infection/infection": "~0.27.11",
     "phpunit/phpunit": "^10.5.62",