Update duckdb index files

.gitattributes

@@ -5,3 +5,4 @@ enimai--MuST-C-de/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 enimai--MuST-C-de/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/validation/index.duckdb 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 sha256:2ccc19aca0fb0eaeffe11b012247fc2c48d2236188bf4ab52762b7e15dff63af
+size 1585152