Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 test_ids/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 train_target/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 transactions_test/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+transactions_train/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

transactions_train/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4870b22a6067865a1bc6d08a393fb33d39dc3e7650d59fce7a171fc689eddfa6
+size 232534016