Update duckdb index files

.gitattributes

@@ -41,3 +41,4 @@ bg-de/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bg-el/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bg-en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bg-es/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+bg-et/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

bg-et/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:30febd437a2f1f7f07a7ace1f79abefc82674fbb118b5e05396bf8bd4d22f342
+size 78917632