Update duckdb index files

.gitattributes

@@ -63,3 +63,4 @@ English[[:space:]](EN)/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 English[[:space:]](EN)/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Farsi[[:space:]](FA)/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Farsi[[:space:]](FA)/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Farsi[[:space:]](FA)/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

Farsi (FA)/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d787a68b421acec820b2c95af259cc299ba46fa87a9d7635319a985c9367ed75
+size 1060864