Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ arguana/beir-test.parquet filter=lfs diff=lfs merge=lfs -text
 arguana/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 climate-fever/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cqadupstack-android/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cqadupstack-english/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cqadupstack-english/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46fa89e2d2969702303e7cf58408d0a9f58db0ac9416c1b46a89be5c4ef10122
+size 1323008