Update duckdb index files

rashmi035--dataset_mkb/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a3e47460759d9229afab42e6fa942597cc11bb80f372d5a392a559d0ac4c29dd
-size 1585152
+oid sha256:fccf91918759f0451f5bb88ecc638b1156be507138308df24f0712b98500be03
+size 1323008