Update duckdb index files

.gitattributes

@@ -4,3 +4,4 @@ dojo--banking24/validation/0000.parquet filter=lfs diff=lfs merge=lfs -text
 dojo--banking24/training/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/validation/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/training/0000.parquet filter=lfs diff=lfs merge=lfs -text
+default/training/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/training/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:185391ba733de475054f8914840809f5ad63ffd466a6a94fcffdcc496cfce2cd
+size 1585152