Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+NBayer--20_observations_test/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

NBayer--20_observations_test/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:49786ac17f3d5f527e079d9485aee7aff1656a6c5e5fb9dd4a01075f4705092c
+size 1585152