Update duckdb index files

.gitattributes

@@ -179,3 +179,4 @@ middle_school_biology/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 middle_school_biology/val/index.duckdb filter=lfs diff=lfs merge=lfs -text
 middle_school_biology/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 legal_professional/val/index.duckdb filter=lfs diff=lfs merge=lfs -text
+middle_school_physics/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

middle_school_physics/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c695f62da659e5dadca4953820d06880752dd3bc6bc12297409870836016ded7
+size 1060864