Update duckdb index files

.gitattributes

@@ -134,3 +134,4 @@ arguana-queries/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bioasq-qrels/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bioasq-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bioasq-queries/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+climate-fever-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

climate-fever-qrels/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:55277f63060db6ea16361858d8e015cc19ad0a79c489bd0e053b4954747988b2
+size 1060864