Update matthiasnoback/symfony-config-test requirement

Author: github-actions[bot]

composer.json

@@ -78,7 +78,7 @@
         "blackfire/php-sdk": "^1.31",
         "ekino/phpstan-banned-code": "^1.0",
         "infection/infection": "^0.26",
-        "matthiasnoback/symfony-config-test": "^3.1|^4.0",
+        "matthiasnoback/symfony-config-test": "^4.3.0",
         "nyholm/psr7": "^1.3",
         "php-http/mock-client": "^1.0",
         "php-parallel-lint/php-parallel-lint": "^1.3",