Update duckdb index files

.gitattributes

@@ -666,3 +666,4 @@ san_Deva/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rus_Cyrl/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 san_Deva/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rmy_Latn/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+rus_Cyrl/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

rus_Cyrl/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bdc1e84bcd62f7a9f0d329c0a2764db62468291414ce3973abf4b206f82a026a
+size 5989478400