Add changelog fragment notifying the minimum requirement
Add changelog fragment notifying the minimum requirement

larrybradley/astropy,StuartLittlefair/astropy,saimn/astropy,lpsinger/astropy,StuartLittlefair/astropy,saimn/astropy,pllim/astropy,astropy/astropy,larrybradley/astropy,larrybradley/astropy,mhvk/astropy,aleksandr-bakanov/astropy,mhvk/astropy,lpsinger/astropy,StuartLittlefair/astropy,pllim/astropy,astropy/astropy,pllim/astropy,aleksandr-bakanov/astropy,astropy/astropy,lpsinger/astropy,saimn/astropy,astropy/astropy,lpsinger/astropy,larrybradley/astropy,mhvk/astropy,aleksandr-bakanov/astropy,aleksandr-bakanov/astropy,astropy/astropy,larrybradley/astropy,saimn/astropy,pllim/astropy,lpsinger/astropy,StuartLittlefair/astropy,mhvk/astropy,pllim/astropy,saimn/astropy,mhvk/astropy,StuartLittlefair/astropy