Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+laurasavaglia--testdata/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

laurasavaglia--testdata/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2cf8e277252ebd285bc274b94e29563cd6a2a2d593a133275e10cfbbc4f7ecd7
+size 1060864