Update duckdb index files

.gitattributes

@@ -103,3 +103,4 @@ nl/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ru/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+all/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

all/partial-validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3beceb4dc89412d96675247f55213e2f85ee0681827b4e70a23580e9e69541b9
+size 1304702976