Update duckdb index files

readerbench--squad_qgen/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:62eb35802640a438e6f21fa6ee0ff0164f38909cf30de4f5cd91c73a29e85207
-size 60829696
+oid sha256:af19e0dff265bd2862b3ebe4041b1ba14b464d61b6601ed76fc06244f2ccc485
+size 63713280