Update duckdb index files

.gitattributes

@@ -17,3 +17,4 @@
 flax-community--conceptual-12m-multilingual-marian-es/csv-train-00001-of-00002.parquet filter=lfs diff=lfs merge=lfs -text
 flax-community--conceptual-12m-multilingual-marian-es/csv-train-00000-of-00002.parquet filter=lfs diff=lfs merge=lfs -text
 flax-community--conceptual-12m-multilingual-marian-es/csv-validation.parquet filter=lfs diff=lfs merge=lfs -text
+flax-community--conceptual-12m-multilingual-marian-es/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

flax-community--conceptual-12m-multilingual-marian-es/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46cd052fff14ce49943901cccc5cc13fca777d7091055a898566bff3b1cce9ed
+size 10760192