Update friendsofphp/php-cs-fixer requirement || 3.91.*

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@v3.89.0...v3.91.0)

---
updated-dependencies:
- dependency-name: friendsofphp/php-cs-fixer
  dependency-version: 3.91.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

composer.json

@@ -37,7 +37,7 @@
     },
     "require-dev": {
         "ergebnis/composer-normalize": "2.48.*",
-        "friendsofphp/php-cs-fixer": "3.89.*",
+        "friendsofphp/php-cs-fixer": "3.89.* || 3.91.*",
         "icanhazstring/composer-unused": "0.8.*",
         "maglnet/composer-require-checker": "3.8.*",
         "overtrue/phplint": "3.4.*",