Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 data_v0.json filter=lfs diff=lfs merge=lfs -text
 data_v0.xlsx filter=lfs diff=lfs merge=lfs -text
+GIZ--policy_qa_v0/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

GIZ--policy_qa_v0/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:73bd2a55e7874b204bb4bc78e034b5e5ea71fe12e8b2b8280c97c83e0cf94cd6
+size 19410944