Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ ronitHF--pubmed-10k/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ronitHF--pubmed-10k/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ronitHF--pubmed-10k/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ronitHF--pubmed10k/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ronitHF--pubmed10k/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

ronitHF--pubmed10k/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ac3fc3b20e893d56904eaa3b53b9f4b291546aa245b807b8eabf93730b547f00
+size 20197376