Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 dnjdsxor21--nkiwi/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dnjdsxor21--nkiwi/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f91274f5b4fd33cab3ac96b338564331e5a3984d0249275fd090a3fba142bd27
+size 29634560