Update duckdb index files

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

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4903a5419dde6bbb3eb077285c3fd72953f559bc7af6035fdd1e843512c2b83e
-size 7614464
+oid sha256:8afc57520de1c1283682c8b086549dea3503de258a753857106daa4029784727
+size 7090176