Update duckdb index files

.gitattributes

@@ -58,3 +58,4 @@ SA/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rec/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rec/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rec/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+autorec/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

autorec/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:618005f17aab9eb81765b039d4ffbb90b30c95f4e18dbebd2f9fe5e157db3267
+size 1060864