Update duckdb index files

.gitattributes

@@ -160,3 +160,4 @@ dpr-first-0%-maxlen-500/validation/index.duckdb filter=lfs diff=lfs merge=lfs -t
 dpr-first-0%-maxlen-500/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-15%-maxlen-500/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-15%-maxlen-500/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+dpr-first-15%-maxlen-500/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

dpr-first-15%-maxlen-500/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e363df854aa29cab83825573cdc8d9eaaa64bc15eeddbd865837fb0bd8fa06f
+size 7876608