Update duckdb index files

.gitattributes

@@ -208,3 +208,4 @@ dpr-first-5%-maxlen-400/validation/index.duckdb filter=lfs diff=lfs merge=lfs -t
 dpr-first-5%-maxlen-400/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-5%-maxlen-500/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-5%-maxlen-500/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+dpr-first-5%-maxlen-500/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

dpr-first-5%-maxlen-500/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef49c63cac02da2551a9fcb9a88e8c882dd05960e210368142cb64c35ec2d6f4
+size 4993024