Update duckdb index files

.gitattributes

@@ -244,3 +244,4 @@ sk_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sv_contracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+de_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

de_wikipedia/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e1732dd8abc2ee340f36fddf6644d5715425fb465bcda3be8945807edd6391b
+size 8400896