Update duckdb index files

.gitattributes

@@ -60,3 +60,4 @@ liuyanchen1015--MULTI_VALUE_mnli_corr_conjunction_doubling/train/index.duckdb fi
 default/dev_matched/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/dev_mismatched/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/test_matched/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/test_mismatched/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/test_mismatched/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08b5469a6d01bf4c69026ca5425326954b51d0124a1d7e489d3f94a05ea72e86
+size 1323008