Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+de/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

de/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fad1442fd4cddb1424847c97cdf8c5719ff5dc154cfa36184b6cde0e91308e0f
+size 2968006656