Update duckdb index files

.gitattributes

@@ -327,3 +327,4 @@ sinhala/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 somali/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 somali/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 somali/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+spanish/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

spanish/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c0a9434761afef76d093f17da8879d47f2cb5750e5fcfb89c6b9cef8361dcb42
+size 44576768