Update duckdb index files

.gitattributes

@@ -86,3 +86,4 @@ cqadupstack-programmers-corpus/train/index.duckdb filter=lfs diff=lfs merge=lfs
 cqadupstack-stats-corpus/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cqadupstack-programmers-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 arguana-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cqadupstack-physics-qrels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cqadupstack-physics-qrels/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d656029f39d08e9fd7300910f9cd89ece109a563b3c7f68c317d8779d5967518
+size 1060864