Update duckdb index files

.gitattributes

@@ -37,3 +37,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.wav filter=lfs diff=lfs merge=lfs -text
 bg-cs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bg-da/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+bg-de/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

bg-de/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69ddbef5c4059bd1a5bf5f4c3a5b904a0966968207b184785eeec129b52a9427
+size 81539072