Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 lucadiliello--hotpotqa/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+lucadiliello--hotpotqa/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

lucadiliello--hotpotqa/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3518b9dc58130096f06c83bab259fbb3763ac13e19e62b2d9d5da21798292a93
+size 112996352