update changelog for #5713
update changelog for #5713

astropy/astropy,pllim/astropy,mhvk/astropy,astropy/astropy,astropy/astropy,kelle/astropy,AustereCuriosity/astropy,lpsinger/astropy,astropy/astropy,bsipocz/astropy,DougBurke/astropy,mhvk/astropy,MSeifert04/astropy,AustereCuriosity/astropy,joergdietrich/astropy,mhvk/astropy,pllim/astropy,StuartLittlefair/astropy,AustereCuriosity/astropy,bsipocz/astropy,aleksandr-bakanov/astropy,tbabej/astropy,kelle/astropy,larrybradley/astropy,tbabej/astropy,joergdietrich/astropy,joergdietrich/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,kelle/astropy,kelle/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,saimn/astropy,saimn/astropy,lpsinger/astropy,funbaker/astropy,mhvk/astropy,StuartLittlefair/astropy,joergdietrich/astropy,DougBurke/astropy,dhomeier/astropy,DougBurke/astropy,stargaser/astropy,larrybradley/astropy,bsipocz/astropy,bsipocz/astropy,stargaser/astropy,mhvk/astropy,larrybradley/astropy,joergdietrich/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,tbabej/astropy,saimn/astropy,tbabej/astropy,saimn/astropy,DougBurke/astropy,dhomeier/astropy,stargaser/astropy,AustereCuriosity/astropy,dhomeier/astropy,MSeifert04/astropy,StuartLittlefair/astropy,larrybradley/astropy,pllim/astropy,kelle/astropy,funbaker/astropy,lpsinger/astropy,funbaker/astropy,larrybradley/astropy,MSeifert04/astropy,AustereCuriosity/astropy,pllim/astropy,dhomeier/astropy,funbaker/astropy,lpsinger/astropy,lpsinger/astropy,stargaser/astropy,pllim/astropy,tbabej/astropy,astropy/astropy,MSeifert04/astropy,saimn/astropy