Update duckdb index files

tasksource--VUAC/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c227fac4bb91cf480042ceeca037038bb7ec6c145ad6939d630af4c1fdbaad67
-size 8138752
+oid sha256:eaaf63fcf0b6697723627c2300d314fff24b224953f62be6534a9874c63b2e6e
+size 7090176