Bump the dev-dependencies group with 2 updates

Bumps the dev-dependencies group with 2 updates: [friendsofphp/php-cs-fixer](https://github.com/PHP-CS-Fixer/PHP-CS-Fixer) and [phpstan/phpstan](https://github.com/phpstan/phpstan).


Updates `friendsofphp/php-cs-fixer` from 3.68.5 to 3.70.0
- [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@v3.68.5...v3.70.0)

Updates `phpstan/phpstan` from 2.1.2 to 2.1.6
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/2.1.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@2.1.2...2.1.6)

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

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

Author: dependabot[bot]

composer.json

@@ -3,7 +3,7 @@
         "php": ">=7.4"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.68",
+        "friendsofphp/php-cs-fixer": "^3.70",
         "glpi-project/tools": "^0.7.4",
         "php-parallel-lint/php-parallel-lint": "^1.4",
         "phpstan/phpstan": "^2.1"