MAINT: update CuPy xfails

Author: ev-br

cupy-xfails.txt

@@ -39,6 +39,8 @@ array_api_tests/test_operators_and_elementwise_functions.py::test_binary_with_sc
 array_api_tests/test_operators_and_elementwise_functions.py::test_binary_with_scalars_real[logaddexp]
 array_api_tests/test_operators_and_elementwise_functions.py::test_binary_with_scalars_real[nextafter]
 array_api_tests/test_operators_and_elementwise_functions.py::test_binary_with_scalars_real[hypot]
+array_api_tests/test_operators_and_elementwise_functions.py::test_binary_with_scalars_real[atan2]
+array_api_tests/test_operators_and_elementwise_functions.py::test_binary_with_scalars_real[divide]
 
 # cupy (arg)min/max wrong with infinities
 # https://github.com/cupy/cupy/issues/7424