Update duckdb index files

.gitattributes

@@ -147,3 +147,4 @@ fr_hi/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hi_ar/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_de/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr_ja/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_de/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_de/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:03117ef02a949ff908808f9cf6b2f08cfd6d0e6b4b33c6664146b209af4850de
+size 57946112