Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 alighasemi--fa-paraphrase/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 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/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f05ef4ddfa028b2cdf676d50a19348236459ed05c8a11a06cc21a86816db1306
+size 8663040