Update duckdb index files

.gitattributes

@@ -62,3 +62,4 @@ cs-el/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs-en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs-es/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs-et/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs-fi/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs-fi/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:93a5153c7d862586d7a593373223219fbcb05f56fb8ce08d0428260ffedb3f1e
+size 43266048