Update duckdb index files

.gitattributes

@@ -77,3 +77,4 @@ ar_hi/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_ar/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_id/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_de/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_de/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_de/sampled_test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3812be408e7c499d1b3d11be08da8a95bfe6987a1a8a5f8d33c51941df35bf40
+size 50606080