Update duckdb index files

.gitattributes

@@ -25,3 +25,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zstandard filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+ought--raft-submission/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

ought--raft-submission/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:92d824518d8dcc52e1046cb4516de731bd66b0ad30d8b8ad8dfe3902ba297983
+size 1060864