Update duckdb index files

.gitattributes

@@ -34,3 +34,4 @@ de-en/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 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/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:55c78ed293d11121a3d50c75b9052360825474f7f2d4d9cc4f6e5e1f3e6ba127
+size 1585152