Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+hafidikhsan--cefr-lexical-balance-dataset-50-50-50/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

hafidikhsan--cefr-lexical-balance-dataset-50-50-50/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a8daf58575582b93cb559a68976c418f17844397866f28de344420742472445a
+size 1323008