Update duckdb index files

.gitattributes

@@ -98,3 +98,4 @@ default/random_3_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/random_4_train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/random_4_val/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/random_4_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/scaffold_0_train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/scaffold_0_train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d067a43af80ecf60cd19c62f4d14018a5545b1203f466a9a8102aa03fa8a09ee
+size 1323008