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
 sh0416--sst2-openai/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sh0416--sst2-openai/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+sh0416--sst2-openai/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

sh0416--sst2-openai/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5bf29943d0eac577d5007ab0b74f95228949e8d9a72fa154f710348b2df351c0
+size 1060864