Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ gokuls--glue_augmented_mnli/validation_mismatched/index.duckdb filter=lfs diff=l
 gokuls--glue_augmented_mnli/test_matched/index.duckdb filter=lfs diff=lfs merge=lfs -text
 gokuls--glue_augmented_mnli/test_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 sha256:682529d482abe0a986f86fe9d229efa65b54cb604e06ece32ede43e3fa3b886b
+size 3420160