Update duckdb index files

.gitattributes

@@ -136,3 +136,4 @@ bioasq-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bioasq-queries/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 climate-fever-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cqadupstack-english-corpus/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cqadupstack-english-queries/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cqadupstack-english-queries/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4e23c6cc14115f5e68540229a1522021aab821a9ec7c31735a22992b2edc4bca
+size 7614464