Bump friendsofphp/php-cs-fixer in the dev-dependencies group

Bumps the dev-dependencies group with 1 update: [friendsofphp/php-cs-fixer](https://github.com/PHP-CS-Fixer/PHP-CS-Fixer).


Updates `friendsofphp/php-cs-fixer` from 3.66.0 to 3.68.5
- [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@v3.66.0...v3.68.5)

---
updated-dependencies:
- dependency-name: friendsofphp/php-cs-fixer
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

composer.json

@@ -3,7 +3,7 @@
         "php": ">=7.4"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.66",
+        "friendsofphp/php-cs-fixer": "^3.68",
         "glpi-project/tools": "^0.7.4",
         "php-parallel-lint/php-parallel-lint": "^1.4",
         "phpstan/extension-installer": "^1.4",