Update duckdb index files

.gitattributes

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

es/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:68a94b69ef35b0cd3fcb40f4e2715ab7abf2e628632b3afe9beb34a2602bcf9e
+size 1323008