chore: Update vector db version

Updated the content in the qdrant vector db:

Updated incorrect EPA Q&A:
"13. 持久授權書授權內容可否包括海外資產?"

app.py

@@ -33,7 +33,7 @@ llama_index.core.set_global_handler("arize_phoenix")
 openai.api_key = os.getenv("OPENAI_API_KEY")
 
 IS_LOAD_FROM_VECTOR_STORE = True 
-VDB_COLLECTION_NAME = "demo-v8"
+VDB_COLLECTION_NAME = "demo-v9"
 MODEL_NAME = ChatbotVersion.CHATGPT_4O.value
 
 CHUNK_SIZE = 8191