Update duckdb index files

.gitattributes

@@ -205,3 +205,4 @@ dpr-first-35%-maxlen-500/validation/index.duckdb filter=lfs diff=lfs merge=lfs -
 dpr-first-35%-maxlen-500/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-5%-maxlen-400/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-5%-maxlen-400/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+dpr-first-5%-maxlen-400/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

dpr-first-5%-maxlen-400/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f710645e89052e4bd6c987aa3dd6311a13b192e4dc0e130a01bedb173a9572fe
+size 5255168