Add v3.0.5 and v2.0.9 to the changelog, and post release cleanup [docs only]
Add v3.0.5 and v2.0.9 to the changelog, and post release cleanup [docs only]

StuartLittlefair/astropy,mhvk/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,bsipocz/astropy,pllim/astropy,aleksandr-bakanov/astropy,mhvk/astropy,astropy/astropy,mhvk/astropy,stargaser/astropy,MSeifert04/astropy,larrybradley/astropy,astropy/astropy,StuartLittlefair/astropy,lpsinger/astropy,pllim/astropy,stargaser/astropy,larrybradley/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,pllim/astropy,larrybradley/astropy,dhomeier/astropy,mhvk/astropy,saimn/astropy,lpsinger/astropy,bsipocz/astropy,stargaser/astropy,lpsinger/astropy,pllim/astropy,saimn/astropy,larrybradley/astropy,StuartLittlefair/astropy,astropy/astropy,StuartLittlefair/astropy,stargaser/astropy,bsipocz/astropy,astropy/astropy,larrybradley/astropy,mhvk/astropy,bsipocz/astropy,MSeifert04/astropy,pllim/astropy,astropy/astropy,aleksandr-bakanov/astropy,saimn/astropy,saimn/astropy,dhomeier/astropy,MSeifert04/astropy,dhomeier/astropy,lpsinger/astropy,saimn/astropy,dhomeier/astropy,MSeifert04/astropy