Update duckdb index files

.gitattributes

@@ -94,3 +94,4 @@ default/paws_perturbed_contraction/index.duckdb filter=lfs diff=lfs merge=lfs -t
 default/paws_perturbed_insertadv/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/paws_perturbed_prejudice/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/paws_perturbed_punctuation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/paws_perturbed_reverseneg/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/paws_perturbed_reverseneg/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ad4fe685051a1e6bc70d1aa5c9c43efa45b49d52511cd32c1706378d747269d9
+size 3420160