Update duckdb index files

.gitattributes

@@ -1131,3 +1131,4 @@ ky/partial-train/0009.parquet filter=lfs diff=lfs merge=lfs -text
 ky/partial-validation/0000.parquet filter=lfs diff=lfs merge=lfs -text
 am/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bn/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+da/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

da/partial-validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef2ce43c352e50e0f2ef38af941a93f7e11172ab9cb78eac6a504a499f09f8c7
+size 212086784