Insert PR number into CHANGES.rst
Insert PR number into CHANGES.rst

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