Update duckdb index files

.gitattributes

@@ -4,3 +4,4 @@ sudo-s--herbier4/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sudo-s--herbier4/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/test/0000.parquet filter=lfs diff=lfs merge=lfs -text
+default/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5de64c419ed3c6dd019b5e3c399840ea58b40af2558e2595dc024e3782373cb4
+size 56111104