Update duckdb index files

nlpconnect--dpr-nq-reader/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6160fff1db6756fd1e1fbf4eb115b3e887c102f5a1e8d2bbd22281147d473652
-size 127676416
+oid sha256:29cf5b76746cdd192da8e4420ee069f05409c973a07a7ed3ab2a25760252bdf0
+size 127152128