fix: issue with the transmission of the ark api_key parameter (#480)

Author: zakahan

veadk/models/ark_llm.py

@@ -97,7 +97,7 @@
     "extra_query",
     "extra_body",
     "timeout",
-    "reasoning"
+    "reasoning",
     # auth params
     "api_key",
     "api_base",