Update pymilvus dependency from 2.5.2 to >=2.6.2

lightrag/kg/milvus_impl.py

@@ -10,7 +10,7 @@ from ..kg.shared_storage import get_data_init_lock, get_storage_lock
 import pipmaster as pm
 
 if not pm.is_installed("pymilvus"):
-    pm.install("pymilvus==2.5.2")
+    pm.install("pymilvus>=2.6.2")
 
 import configparser
 from pymilvus import MilvusClient, DataType, CollectionSchema, FieldSchema  # type: ignore

requirements-offline.txt

@@ -18,7 +18,7 @@ ollama>=0.1.0
 # LLM provider dependencies
 openai>=1.0.0
 openpyxl>=3.0.0
-pymilvus==2.5.2
+pymilvus>=2.6.2
 pymongo>=4.0.0
 pypdf2>=3.0.0
 python-docx>=0.8.11