Update duckdb index files

Bilkies--Testdata/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:36cdcc62089f459ec67881bf71399b471d10e9279dd8919d706b949d05c20434
-size 1585152
+oid sha256:555197c22ad5efcfc5b381f868b80eb78ef7a39ea87d75f8e23687b48321d6b1
+size 1323008