Update duckdb index files

.gitattributes

@@ -328,3 +328,4 @@ de_ko/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_ko/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_ko/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_ko/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+de_nl/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text

de_nl/sampled_test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48dd120aaff251a7c645dea58e946228bfa416ce864fc3d9bf12ee54a74b8ea4
+size 92549120