Update duckdb index files

maximalmargin--katz/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:dd29d06f2966ece09e28fd5c6a2b3b420d34247c66c87253320eb12d66da2152
-size 2633728
+oid sha256:be649a0fbdcb8fba9ddc19d7ca02c3dbc99920127c24b88a4bebddcb84cc2811
+size 3682304