Update duckdb index files

lucadiliello--newsqa/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4472f8fb368c5a38174e0cd7cded9e99fc6b843023e14d20761c1622f12c3297
-size 478687232
+oid sha256:f1b799beaf13b1c327f8f4465b57dcba4a47b8f364425f720ee8fe4598d4f00d
+size 478162944