Update duckdb index files

.gitattributes

@@ -35,3 +35,4 @@ fr-en/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr-en/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr-en/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hi-en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+hi-en/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

hi-en/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d1ee87e272b8138ce6bdbc67ee4f4c7b0b7d2126ea178c8c692b87a85f1e53ac
+size 1060864