Update duckdb index files

Melanit--testset/example/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:adcc513bdf9feb170e71c8930669a3a009d55e5f14956e4c661c07659ec3edf3
-size 15216640
+oid sha256:aeda3df8e12b59301c2cb14fd9e4d493fece73094379440deeda3396eef4b1a3
+size 13643776