chore(backend): update template to v0.7.0, conflicts left

backend/pyproject.toml

@@ -23,7 +23,11 @@ dependencies = [
 ]
 
 [build-system]
+<<<<<<< before updating
 requires = ["uv_build>=0.12.13,<0.13.0"]
+=======
+requires = ["uv_build>=0.13.0,<0.14.0"]
+>>>>>>> after updating
 build-backend = "uv_build"
 
 [tool.uv.build-backend]