Update duckdb index files

.gitattributes

@@ -58,3 +58,4 @@ lfsm--ja-dataset/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 lfsm--ja-dataset/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 lfsm--ja-dataset/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/partial-validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:200d9d3393dcdab68efba2391d5fd25724e18e6bcc62aab39d3a5f9ba3eeae2f
+size 174338048