Refa:replace trio with asyncio (#11831)

### What problem does this PR solve?

change:
replace trio with asyncio

### Type of change
- [x] Refactoring

rag/utils/redis_conn.py

@@ -14,6 +14,7 @@
 #  limitations under the License.
 #
 
+import asyncio
 import logging
 import json
 import uuid
@@ -22,7 +23,6 @@ import valkey as redis
 from common.decorator import singleton
 from common import settings
 from valkey.lock import Lock
-import trio
 
 REDIS = {}
 try:
@@ -405,7 +405,7 @@ class RedisDistributedLock:
         while True:
             if self.lock.acquire(token=self.lock_value):
                 break
-            await trio.sleep(10)
+            await asyncio.sleep(10)
 
     def release(self):
         REDIS_CONN.delete_if_equal(self.lock_key, self.lock_value)