Update duckdb index files

.gitattributes

@@ -191,3 +191,4 @@ professional_tour_guide/val/index.duckdb filter=lfs diff=lfs merge=lfs -text
 teacher_qualification/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fire_engineer/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 teacher_qualification/val/index.duckdb filter=lfs diff=lfs merge=lfs -text
+middle_school_physics/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

middle_school_physics/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:026a25b9574a9b7bae79a0a3bb45f83b28be863dfae21855b999cbfb91b56403
+size 1060864