Update duckdb index files

.gitattributes

@@ -34,3 +34,4 @@ de/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es/challenge_test_covid/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+de/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

de/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46b7689e46a692babc5afba24f21c3ee3a2d3fd124165b9f1f774e1c3a617881
+size 100675584