chore: update composer.json

Author: rustatian

tests/php_test_files/composer.json

@@ -10,7 +10,7 @@
     "spiral/tokenizer": ">=2.7",
     "spiral/roadrunner-metrics": "^3.0",
     "spiral/roadrunner-grpc": "^3.0",
-    "spiral/roadrunner-tcp": "^3.0",
+    "spiral/roadrunner-tcp": "^4.0",
     "spiral/roadrunner-jobs": "^4.0",
     "monolog/monolog": "^3.1",
     "php-http/guzzle6-adapter": "~2",