Update duckdb index files

.gitattributes

@@ -290,3 +290,4 @@ cs_pt/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_pt/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_ru/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_ru/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_ru/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_ru/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6ceeee2ed2661769ac308b136e0c503b7a97c77344af40d0c1d033816b413a6b
+size 56111104