Update duckdb index files

shreyasharma--proofs/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fb63a32d4bc8fa9f9e622ae25173e5cdf5fde4a3d608aba16c3252bc2a9a92fb
-size 3158016
+oid sha256:b8b32b50a4ab5189581e8f87599cd546d7ff49db488578ef35109f1ddc62a770
+size 2895872