Update duckdb index files

cakiki--cpp_paths/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3265043b6ac8f4ea7e89082573cccf9b50924f7aecc05bd229642ec4090d34f9
-size 580661248
+oid sha256:a7458bb65bfb9870b397fda17c10957a9a57833f222a0192e1765276fdbc2866
+size 577777664