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
+leostelon--california-housing/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

leostelon--california-housing/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a40da2674f7cd6771041d68e811372e70de9c8508509c20d432315fd1bef6d4
+size 2109440