Update duckdb index files

.gitattributes

@@ -79,3 +79,4 @@ DaniFrame--COLAPerturbed/cola_perturbed_reverseneg/index.duckdb filter=lfs diff=
 DaniFrame--COLAPerturbed/cola_perturbed_swapnum/index.duckdb filter=lfs diff=lfs merge=lfs -text
 DaniFrame--COLAPerturbed/cola_perturbed_twitter/index.duckdb filter=lfs diff=lfs merge=lfs -text
 DaniFrame--COLAPerturbed/cola_perturbed_verbtense/index.duckdb filter=lfs diff=lfs merge=lfs -text
+DaniFrame--COLAPerturbed/cola_perturbed_wordcase/index.duckdb filter=lfs diff=lfs merge=lfs -text

DaniFrame--COLAPerturbed/cola_perturbed_wordcase/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c7b339190a21caa217945d5a81c8a470f0e19cff27dae152ccd377258f9d5f21
+size 1323008