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

Bumps [ergebnis/php-cs-fixer-config](https://github.com/ergebnis/php-cs-fixer-config) from 6.25.1 to 6.26.0.
- [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@6.25.1...6.26.0)

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

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

composer.json

@@ -30,7 +30,7 @@
     "doctrine/orm": "^3.1.2",
     "ergebnis/composer-normalize": "^2.42.0",
     "ergebnis/license": "^2.4.0",
-    "ergebnis/php-cs-fixer-config": "^6.25.1",
+    "ergebnis/php-cs-fixer-config": "^6.26.0",
     "ergebnis/phpunit-slow-test-detector": "^2.14.0",
     "nette/di": "^3.2.1",
     "phpstan/phpstan-deprecation-rules": "^1.1.4",