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
 Deysi--split-imdb/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Deysi--split-imdb/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Deysi--split-imdb/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

Deysi--split-imdb/valid/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec48261806d870a108e4bb51db5be1cf8c733765b85e466476faa36ba16b958f
+size 24653824