conflict with 7.4 releases of experimental components

Author: xabbuh

composer.json

@@ -20,7 +20,10 @@
         "symfony/polyfill-mbstring": "~1.0"
     },
     "require-dev": {
-        "symfony/json-streamer": "^7.3"
+        "symfony/json-streamer": "7.3.*"
+    },
+    "conflict": {
+        "symfony/json-streamer": ">=7.4"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\JsonPath\\": "" },