Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+NaturalQuestions-queries/all/index.duckdb filter=lfs diff=lfs merge=lfs -text

NaturalQuestions-queries/all/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:95809972c1ae8e66fc445448aa0152187a683b9869f4104f6306f37d1aa1463e
+size 2895872