fix qdrant tag in docker-compose.yaml (#2047)

docker/docker-compose.yaml

@@ -287,7 +287,7 @@ services:
   # (if uncommented, you need to comment out the weaviate service above,
   # and set VECTOR_STORE to qdrant in the api & worker service.)
   # qdrant:
-  #   image: langgenius/qdrant:1.7.3
+  #   image: langgenius/qdrant:v1.7.3
   #   restart: always
   #   volumes:
   #     - ./volumes/qdrant:/qdrant/storage