Update duckdb index files

.gitattributes

@@ -43,3 +43,4 @@ batubayk--TR-News/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 batubayk--TR-News/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e7db74180de5c18c5439b012c4b7bbac80180480608538e54a6ef4bb2af09c46
+size 84422656