Update matrix.json

Author: OSPanel

extension/BuildPhpExtension/config/matrix.json

@@ -1034,7 +1034,7 @@
             "8.1": "6.0.5",
             "8.2": "6.0.5",
             "8.3": "6.0.5",
-            "8.4": "6.0 .5",
+            "8.4": "6.0.5",
             "8.5": ""
         },
         "source": "https://pecl.php.net/get/rdkafka"