Update CHANGES.rst
Update CHANGES.rst

[ci skip]
saimn/astropy,DougBurke/astropy,astropy/astropy,stargaser/astropy,dhomeier/astropy,dhomeier/astropy,pllim/astropy,bsipocz/astropy,StuartLittlefair/astropy,larrybradley/astropy,pllim/astropy,AustereCuriosity/astropy,mhvk/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,funbaker/astropy,stargaser/astropy,larrybradley/astropy,bsipocz/astropy,aleksandr-bakanov/astropy,saimn/astropy,StuartLittlefair/astropy,DougBurke/astropy,AustereCuriosity/astropy,MSeifert04/astropy,pllim/astropy,DougBurke/astropy,lpsinger/astropy,stargaser/astropy,AustereCuriosity/astropy,mhvk/astropy,pllim/astropy,lpsinger/astropy,larrybradley/astropy,mhvk/astropy,stargaser/astropy,astropy/astropy,larrybradley/astropy,astropy/astropy,AustereCuriosity/astropy,saimn/astropy,MSeifert04/astropy,lpsinger/astropy,larrybradley/astropy,dhomeier/astropy,saimn/astropy,saimn/astropy,mhvk/astropy,bsipocz/astropy,AustereCuriosity/astropy,astropy/astropy,dhomeier/astropy,funbaker/astropy,funbaker/astropy,lpsinger/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,mhvk/astropy,dhomeier/astropy,aleksandr-bakanov/astropy,funbaker/astropy,bsipocz/astropy,MSeifert04/astropy,pllim/astropy,astropy/astropy,DougBurke/astropy