MNT: Mark test_moist_lapse_failure as xfail on mac arm64

Apparently this problematic test fails here too.

tests/calc/test_thermo.py

@@ -200,6 +200,7 @@ def test_moist_lapse_starting_points(start, direction):
 
 @pytest.mark.xfail(platform.machine() == 'aarch64',
                    reason='ValueError is not raised on aarch64')
+@pytest.mark.xfail(platform.machine() == 'arm64', reason='ValueError is not raised on Mac M2')
 @pytest.mark.xfail(sys.platform == 'win32', reason='solve_ivp() does not error on Windows')
 @pytest.mark.xfail(packaging.version.parse(scipy.__version__) < packaging.version.parse('1.7'),
                    reason='solve_ivp() does not error on Scipy < 1.7')