Update duckdb index files

.gitattributes

@@ -304,3 +304,4 @@ cs_tr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_tr/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_vi/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_vi/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_vi/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_vi/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef2df6522bdbc64dcfc20add68287ed9d1888104e6fd938cd902af6002b71103
+size 51916800