Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ Patt--RTE_TH/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Patt--RTE_TH/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb 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 sha256:29bf09ffb2e043e00ad48b936030aa9b2617f130b6050872e3281677844287fc
+size 2895872