Update release.ex documentation (#9950)
Update release.ex documentation (#9950)


joshprice/elixir,ggcampinho/elixir,kimshrier/elixir,ggcampinho/elixir,pedrosnk/elixir,elixir-lang/elixir,kimshrier/elixir,kelvinst/elixir,pedrosnk/elixir,michalmuskala/elixir,kelvinst/elixir