Update duckdb index files

.gitattributes

@@ -27,3 +27,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 split/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+split/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

split/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e629245ffac000e17bdabef8d6f5fa88d84a2dc0ae5bb93a025df6d1081e00ff
+size 1323008