Regenerate mpl test baseline image
No idea why this was failing in the tests. Maybe something shifted subtly in matplotlib 3.5.1 released on 2021-12-21, or in astropy released 2022-01-26?
No idea why this was failing in the tests. Maybe something shifted subtly in matplotlib 3.5.1 released on 2021-12-21, or in astropy released 2022-01-26?