Update duckdb index files

.gitattributes

@@ -61,3 +61,4 @@ fon/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hau/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hau/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hau/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ibo/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

ibo/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9bf736f6623f5ecc2daea06c9738cd1e5162af6c5004986aa2bfaad87b98871d
+size 1060864