Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ 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
+larryvrh--CCMatrix-v1-Ja_Zh-filtered/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

larryvrh--CCMatrix-v1-Ja_Zh-filtered/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cf1a16aa5f140bd373ace3b96f67b052cc372135c80f939c08e6b3ef4b35f340
+size 631517184