Update duckdb index files

.gitattributes

@@ -61,3 +61,4 @@ gooaq.random-split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hotpotqa.original-split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hotpotqa.original-split/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hotpotqa.random-split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+hotpotqa.random-split/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

hotpotqa.random-split/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:db6ca59b1a0f8b010a8b3539e429741acce2a0f521a0d9e3d6a59b06477e9f54
+size 7876608