Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ with-filtering/jsnli-train.parquet filter=lfs diff=lfs merge=lfs -text
 without-filtering/jsnli-train.parquet filter=lfs diff=lfs merge=lfs -text
 with-filtering/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 with-filtering/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+without-filtering/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

without-filtering/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:614fe00d474a188977a7f1e5e0acf86a4df8de75078fe514362a734589a1e3cb
+size 1585152