Update duckdb index files

.gitattributes

@@ -80,3 +80,4 @@ biomrc_small_A_source/test/0000.parquet filter=lfs diff=lfs merge=lfs -text
 biomrc_small_A_bigbio_qa/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 biomrc_small_A_bigbio_qa/validation/0000.parquet filter=lfs diff=lfs merge=lfs -text
 biomrc_small_A_bigbio_qa/test/0000.parquet filter=lfs diff=lfs merge=lfs -text
+biomrc_large_B_source/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

biomrc_large_B_source/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b6e054431cbe47cad66fd15f164979e2e503838e0f1006cb6676af2816e68ef3
+size 1438920704