Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+LangChainDatasets--agent-search-calculator/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

LangChainDatasets--agent-search-calculator/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1938488a8d3e5d456ec7fcc55c673dec7ab75886f32ecd72427af2a9772eab8e
+size 1060864