Update notify_of_deploy docs [ci skip]
Update notify_of_deploy docs [ci skip]

matrinox/appsignal-ruby,appsignal/appsignal-ruby,matrinox/appsignal-ruby,matrinox/appsignal-ruby,appsignal/appsignal,appsignal/appsignal-ruby,appsignal/appsignal,appsignal/appsignal-ruby,appsignal/appsignal-ruby