Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
 BlackKakapo--qasc-ro/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+BlackKakapo--qasc-ro/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

BlackKakapo--qasc-ro/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3639e35e3adf00f1f2b9f49516cc7af22c5a513f18c213e5d1311cf045975531
+size 6828032