Update duckdb index files

eturok--lotr-book/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3fd5d62325f81ed8ffdc749d11c099e4cb0d4d35faef385d3511f303933497e0
-size 7352320
+oid sha256:4903a5419dde6bbb3eb077285c3fd72953f559bc7af6035fdd1e843512c2b83e
+size 7614464