Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 Alisairlines--Airlines_Reviews_Neuronet/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Alisairlines--Airlines_Reviews_Neuronet/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Alisairlines--Airlines_Reviews_Neuronet/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

Alisairlines--Airlines_Reviews_Neuronet/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e7b3e9a7a6e81a9b2cbd69a21a53bbf07a1571c2fc3c1f31495e3ccb6b0bd973
+size 1060864