Update duckdb index files

.gitattributes

@@ -162,3 +162,4 @@ new_data/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 name_genders/yob2018/index.duckdb filter=lfs diff=lfs merge=lfs -text
 opensubtitles_inferred/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 opensubtitles_inferred/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+opensubtitles_inferred/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

opensubtitles_inferred/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f231ca83822b08aa0653a2de6aced58258ef7a42e643d5d4980f7069a06faba7
+size 3944448