Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ Goud--Goud-sum/csv-train.parquet filter=lfs diff=lfs merge=lfs -text
 Goud--Goud-sum/csv-test.parquet filter=lfs diff=lfs merge=lfs -text
 Goud--Goud-sum/csv-validation.parquet filter=lfs diff=lfs merge=lfs -text
 Goud--Goud-sum/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Goud--Goud-sum/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

Goud--Goud-sum/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1dc68ec4527872c86ac4752e95f89b09a9bbf2e9aa39ecdef8f5b0dc749a2789
+size 29110272