Update duckdb index files

.gitattributes

@@ -109,3 +109,4 @@ scifact-qrels/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cqadupstack-android-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cqadupstack-gis-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cqadupstack-unix-queries/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cqadupstack-unix-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cqadupstack-unix-qrels/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1541ad74e4cb8b14eeb96df745e99b5826adcbff3c4e15727e23349c2562d03c
+size 1060864