chore(deps): update dependency langchain to v1

renovate[bot] · web-flow · commit b8f19708be4f · 2025-11-07T00:15:20.000Z
diff --git a/pyproject.toml b/pyproject.toml
@@ -42,7 +42,7 @@ dev = [
 ]
 examples = [
   "pymilvus~=2.5",
-  "langchain~=0.3",
+  "langchain~=1.0",
   "langchain-community~=0.3",
   "pypdf~=6.0",
   "wikipedia~=1.0",
