Update duckdb index files

.gitattributes

@@ -82,3 +82,4 @@ Portuguese[[:space:]](PT)/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Portuguese[[:space:]](PT)/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Portuguese[[:space:]](PT)/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Spanish[[:space:]](ES)/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Spanish[[:space:]](ES)/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

Spanish (ES)/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98476816c3d09bc5f9a7e51b8569a6a9dec3959ebc3e3e158f520afdcf23190e
+size 1060864