Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 data/neumarco.tar.gz filter=lfs diff=lfs merge=lfs -text
 default/fas/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/zho/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/rus/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/rus/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5d9612fb1dfcd604725a72d728abf252d0532f2243a75986a9062cf58a518860
+size 2910859264