Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ teven--hal_tests/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 teven--hal_tests/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 teven--hal_tests/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0000.parquet 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 sha256:175eb0faccad917e3ebc51910f70b2f340476bcd728617bb5c1371e13e3d660a
+size 22032384