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
 MrbBakh--Sentiment140/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 MrbBakh--Sentiment140/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+MrbBakh--Sentiment140/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

MrbBakh--Sentiment140/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:07ee46d474e6c7e697df48fedbd6d4323931921c0c1852452e67426add59eeb0
+size 1847296