Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 dvilasuero--news-programmatic-labeling/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+dvilasuero--news-programmatic-labeling/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

dvilasuero--news-programmatic-labeling/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:af39d4a8561a07259e95e7f4c847336bc31e6f17f4781753d48591ab7112d2e8
+size 1060864