Update duckdb index files

mber--subset_squadv2_format/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a02be9561ba6134dd3ac804a8ea813335a91b424fc6a1a4082882cb807bb5a0d
-size 13119488
+oid sha256:690c7ce847204c480c525299a0bd185410e48e5a3690b6454fb11d996901af1c
+size 13381632