Update CHANGES.rst
Update CHANGES.rst

Changelog entry for #4014 [skip ci]
pllim/astropy,dhomeier/astropy,kelle/astropy,MSeifert04/astropy,aleksandr-bakanov/astropy,stargaser/astropy,AustereCuriosity/astropy,AustereCuriosity/astropy,funbaker/astropy,pllim/astropy,dhomeier/astropy,larrybradley/astropy,pllim/astropy,tbabej/astropy,funbaker/astropy,saimn/astropy,saimn/astropy,MSeifert04/astropy,joergdietrich/astropy,stargaser/astropy,bsipocz/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,astropy/astropy,stargaser/astropy,funbaker/astropy,funbaker/astropy,saimn/astropy,dhomeier/astropy,DougBurke/astropy,kelle/astropy,AustereCuriosity/astropy,MSeifert04/astropy,bsipocz/astropy,DougBurke/astropy,saimn/astropy,astropy/astropy,StuartLittlefair/astropy,mhvk/astropy,joergdietrich/astropy,stargaser/astropy,StuartLittlefair/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,kelle/astropy,tbabej/astropy,lpsinger/astropy,larrybradley/astropy,tbabej/astropy,bsipocz/astropy,dhomeier/astropy,larrybradley/astropy,kelle/astropy,mhvk/astropy,StuartLittlefair/astropy,astropy/astropy,astropy/astropy,AustereCuriosity/astropy,DougBurke/astropy,lpsinger/astropy,lpsinger/astropy,joergdietrich/astropy,joergdietrich/astropy,AustereCuriosity/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,tbabej/astropy,tbabej/astropy,kelle/astropy,pllim/astropy,mhvk/astropy,joergdietrich/astropy,pllim/astropy,StuartLittlefair/astropy,DougBurke/astropy,dhomeier/astropy,mhvk/astropy,saimn/astropy,larrybradley/astropy,astropy/astropy,StuartLittlefair/astropy,lpsinger/astropy,bsipocz/astropy,mhvk/astropy