Update duckdb index files

.gitattributes

@@ -85,3 +85,4 @@ film/challenge_test_topic_diversity_6/index.duckdb filter=lfs diff=lfs merge=lfs
 film/challenge_test_topic_diversity_5/index.duckdb filter=lfs diff=lfs merge=lfs -text
 film/challenge_test_topic_diversity_7/index.duckdb filter=lfs diff=lfs merge=lfs -text
 film/challenge_test_topic_diversity_8/index.duckdb filter=lfs diff=lfs merge=lfs -text
+animal/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

animal/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:090851cfce8fbf5650811d9b4d7de8146be2ce1166e8da9cdb5cedb5379a8abe
+size 1591226368