Update duckdb index files

.gitattributes

@@ -271,3 +271,4 @@ pt-all-question/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pt-faq-page/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ru-all-question/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ru-faq-question/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+de-cqa-page/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

de-cqa-page/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:666bc9efb39e0b6f605372ba193e2622214cacc5ae81c423682f13e9452ac5d7
+size 6120550400