Update duckdb index files

.gitattributes

@@ -78,3 +78,4 @@ film/challenge_test_abstractivity_8/index.duckdb filter=lfs diff=lfs merge=lfs -
 film/challenge_test_abstractivity_7/index.duckdb filter=lfs diff=lfs merge=lfs -text
 film/challenge_test_topic_diversity_0/index.duckdb filter=lfs diff=lfs merge=lfs -text
 film/challenge_test_topic_diversity_1/index.duckdb filter=lfs diff=lfs merge=lfs -text
+film/challenge_test_topic_diversity_2/index.duckdb filter=lfs diff=lfs merge=lfs -text

film/challenge_test_topic_diversity_2/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ea9307ad24465dd62294d301eef731f06b939ed3b93a199673b9e4cf42b5f2c9
+size 19148800