Update duckdb index files

0xtimmy--postcards/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:cc7619217ede3edb7ace4da4c19ac542f21f689923bc267ef487b223bb4aeb3a
-size 202911744
+oid sha256:b11233bf46b5c464bd40c46b4f3c3bda97dfb5591b961ccdcb9e70d9fc283ba3
+size 693383168