Update dependency symfony/translation-contracts to v6

Author: renovate[bot]

composer.json

@@ -61,7 +61,7 @@
         "symfony/security-csrf": "^6.4 || ^7.0",
         "symfony/security-http": "^6.4 || ^7.0",
         "symfony/translation": "^6.4 || ^7.0",
-        "symfony/translation-contracts": "^2.5 || ^3.0",
+        "symfony/translation-contracts": "^6.0",
         "symfony/twig-bridge": "^6.4 || ^7.0",
         "symfony/twig-bundle": "^6.4 || ^7.0",
         "symfony/validator": "^6.4 || ^7.0",