Update app.py

Model changed from Qwen/Qwen2.5-Coder-32B-Instruct to ibm-granite/granite-3.2-8b-instruct-preview

app.py

@@ -42,7 +42,7 @@ final_answer = FinalAnswerTool()
 model = HfApiModel(
 max_tokens=2096,
 temperature=0.5,
-model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
+model_id='ibm-granite/granite-3.2-8b-instruct-preview',# it is possible that this model may be overloaded
 custom_role_conversions=None,
 )