chore: increase min php sdk

Author: shyim

composer.json

@@ -22,7 +22,7 @@
         "php": ">=8.1",
         "symfony/psr-http-message-bridge": "2.* || ^7.0",
         "symfony/routing": "^6.4 || ^7.0",
-        "shopware/app-php-sdk": "^3.0",
+        "shopware/app-php-sdk": ">=3.1.4",
         "symfony/http-client": "^6.4 || ^7.0",
         "nyholm/psr7": "^1.8"
     },