Add ellipsis to handle `exceptiongroup` exceptions
Add ellipsis to handle `exceptiongroup` exceptions

This is to handle a new feature for 3.12, which has been backported as a package now being used by pytest to improve error messages.

astropy/astropy,astropy/astropy,pllim/astropy,mhvk/astropy,astropy/astropy,pllim/astropy,pllim/astropy,pllim/astropy,pllim/astropy,mhvk/astropy,astropy/astropy,astropy/astropy,mhvk/astropy,mhvk/astropy,mhvk/astropy