Update duckdb index files

dgem_format/test/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4f50820b639d749ff9ff9b123e90c32cbf3ab7f1d744b19ae0d726f7a0fa0f25
-size 1585152
+oid sha256:5e74a6bd0eca51f2128f7e7d3bd09f7f9625cb06811987989682e15e16c08be7
+size 1323008