Merge pull request ecamp#8475 from ecamp/renovate/symfony-flex-2.x

fix(deps): update dependency symfony/flex to v2.9.0

Author: renovate[bot]

api/composer.json

@@ -44,7 +44,7 @@
         "symfony/console": "7.3.5",
         "symfony/dotenv": "7.3.2",
         "symfony/expression-language": "7.3.2",
-        "symfony/flex": "2.8.2",
+        "symfony/flex": "2.9.0",
         "symfony/framework-bundle": "7.3.6",
         "symfony/http-client": "7.3.4",
         "symfony/intl": "7.3.5",