Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/test.clean/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validation.clean/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train.clean.100/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train.clean.360/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train.clean.360/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dea793e5e31df8757a3f9dbf5ca743dce0d11e75e36572436cf18adf205d0977
+size 688140288