Update duckdb index files

.gitattributes

@@ -70,3 +70,4 @@ italian/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 portuguese/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 portuguese/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 portuguese/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+spanish/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

spanish/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d758f61bf8d155fa5287a1e3fdd88dbbe9f871e4ede9f96b970c6a179628ce4c
+size 1374957568