Update duckdb index files

.gitattributes

@@ -93,3 +93,4 @@ default/sst2_perturbed_punctuation/index.duckdb filter=lfs diff=lfs merge=lfs -t
 default/sst2_perturbed_reverseneg/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/sst2_perturbed_sne_0.1/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/sst2_perturbed_sne_0.2/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/sst2_perturbed_sne_0.3/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/sst2_perturbed_sne_0.3/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:df29772451bfc822ee6fc9e0e1a4ed6aa82c03629629286a5d7e2562e58d6350
+size 1323008