Update duckdb index files

.gitattributes

@@ -61,3 +61,4 @@ scidocs_mag_mesh/evaluation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 trec_covid/evaluation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tweet_mentions/evaluation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 biomimicry/evaluation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cite_count/evaluation/index.duckdb filter=lfs diff=lfs merge=lfs -text

cite_count/evaluation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a457212baa48c8f4bdfac4c0e11b15aa3d17201cb90de2b218dbed926890c31
+size 110637056