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
+llm-book--aio-passages-bpr-bert-base-japanese-v3/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

llm-book--aio-passages-bpr-bert-base-japanese-v3/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b8af8c61bd38271e4c5589aa5ff63c1289b747a8f1d0fcd6ba0477ebabb4d98
+size 2374250496