Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 ZurichNLP--rsd-ists-2016/train_de/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ZurichNLP--rsd-ists-2016/train_en/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ZurichNLP--rsd-ists-2016/test_de/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ZurichNLP--rsd-ists-2016/test_en/index.duckdb filter=lfs diff=lfs merge=lfs -text

ZurichNLP--rsd-ists-2016/test_en/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f3ec3e27400de7bd18c28a6bf54264aa260a782db2f43794168d477eed449973
+size 1323008