chore(api-nodes): mark OpenAIDalle2 and OpenAIDalle3 nodes as deprecated (comfyanonymous#10757)

Author: bigcat88

comfy_api_nodes/nodes_openai.py

@@ -169,6 +169,7 @@ def define_schema(cls):
                 IO.Hidden.unique_id,
             ],
             is_api_node=True,
+            is_deprecated=True,
         )
 
     @classmethod
@@ -299,6 +300,7 @@ def define_schema(cls):
                 IO.Hidden.unique_id,
             ],
             is_api_node=True,
+            is_deprecated=True,
         )
 
     @classmethod