Update OpenAIModel.py: new model (#1689)

Add gpt-4-turbo-2024-04-09 new OpenAI model.

Author: dodeeric

src/backend/base/langflow/components/models/OpenAIModel.py

@@ -40,6 +40,7 @@ def build_config(self):
                 "display_name": "Model Name",
                 "advanced": False,
                 "options": [
+                    "gpt-4-turbo-2024-04-09",
                     "gpt-4-turbo-preview",
                     "gpt-3.5-turbo",
                     "gpt-4-0125-preview",