Update release docs with heroku workaround
Update release docs with heroku workaround

p-equis/mountebank,nassimkirouane/mountebank,njenan/mountebank,nassimkirouane/mountebank,nassimkirouane/mountebank,njenan/mountebank,njenan/mountebank,xue2sheng/mountebank,bbyars/mountebank,nassimkirouane/mountebank,xue2sheng/mountebank,p-equis/mountebank,p-equis/mountebank,njenan/mountebank,bbyars/mountebank