Update duckdb index files

.gitattributes

@@ -304,3 +304,4 @@ dpr-first-70%-maxlen-400/validation/index.duckdb filter=lfs diff=lfs merge=lfs -
 dpr-first-70%-maxlen-400/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-50%-maxlen-300/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dpr-first-50%-maxlen-300/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+dpr-first-50%-maxlen-300/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

dpr-first-50%-maxlen-300/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7ddef243de215633ec8f50e329faf7d9fa325d1ea6ee25fb6f765e6d8eb08d55
+size 6565888