Update docs/development/workflow/maintainer_workflow.rst
Update docs/development/workflow/maintainer_workflow.rst

Fix rst formatting

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