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
+C-MTEB--OnlineShopping-classification/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

C-MTEB--OnlineShopping-classification/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3b4843b52971a88ee2620b4a096ed4884cf52f28e0e924507aac07ffe894cfb5
+size 1060864