Update duckdb index files

.gitattributes

@@ -5,3 +5,4 @@ MARC-ja/jglue-train.parquet filter=lfs diff=lfs merge=lfs -text
 MARC-ja/jglue-validation.parquet filter=lfs diff=lfs merge=lfs -text
 JCommonsenseQA/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 JCommonsenseQA/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+JNLI/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

JNLI/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:02fe5048173e716172914dd5dd712a9393ab6966cfe8865cc17ed6f8a21bdf5f
+size 2895872