Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 instructions/instructions/index.duckdb filter=lfs diff=lfs merge=lfs -text
+query/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

query/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7497374a2afb28d09797f7aa8e0ce0a6dd112fedf356633f5b7784d6ecb6a4d1
+size 14954496