Update duckdb index files

.gitattributes

@@ -67,3 +67,4 @@ company/challenge_test_topic_diversity_7/index.duckdb filter=lfs diff=lfs merge=
 company/challenge_test_topic_diversity_8/index.duckdb filter=lfs diff=lfs merge=lfs -text
 film/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 film/challenge_test_abstractivity_0/index.duckdb filter=lfs diff=lfs merge=lfs -text
+film/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

film/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b20cc0934336253860591cdc894bd6d1c2d49cdbf77662c13b4a8e3d0c51adcd
+size 135278592