Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ alighasemi--fa-paraphrase/parquet-train.parquet filter=lfs diff=lfs merge=lfs -t
 alighasemi--fa-paraphrase/parquet-test.parquet filter=lfs diff=lfs merge=lfs -text
 alighasemi--fa-paraphrase/parquet-validation.parquet filter=lfs diff=lfs merge=lfs -text
 alighasemi--fa-paraphrase/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+alighasemi--fa-paraphrase/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

alighasemi--fa-paraphrase/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:df772dfe722a83208ab9ba48f15626361b9477fc8055f93791018855d419bed2
+size 8663040