Refa:replace trio with asyncio (#11831)

### What problem does this PR solve?

change:
replace trio with asyncio

### Type of change
- [x] Refactoring

graphrag/light/smoke.py

@@ -15,10 +15,10 @@
 #
 
 import argparse
+import asyncio
 import json
 import networkx as nx
 import logging
-import trio
 
 from common.constants import LLMType
 from api.db.services.document_service import DocumentService
@@ -93,4 +93,4 @@ async def main():
 
 
 if __name__ == "__main__":
-    trio.run(main)
+    asyncio.run(main)