Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ small/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 small/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 small/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 large/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+large/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

large/partial-validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1278434a5d755c6cc89fde166ae8f84a50f2c6ef048bbb9bf2733838fbfd9fef
+size 67907584