Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 Patt--MultiRC_TH/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Patt--MultiRC_TH/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Patt--MultiRC_TH/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:b2276a5f0065866780dcc38cdcceba42fc3c801a69b627e6872ce303df5dcb9d
+size 38809600