stop running ci on 1.8.7
stop running ci on 1.8.7

we dropped support to it long ago

macedo/heroku,Faisalawanisee/heroku,duypq94/heroku,rkh/heroku,dickeyxxx/heroku,dickeyxxx/heroku,greeca0204/heroku,rkh/heroku,greeca0204/heroku,heroku/heroku,macedo/heroku,macedo/heroku,heroku/heroku,Faisalawanisee/heroku,sancopanco/heroku,gregburek/heroku,sancopanco/heroku,dickeyxxx/heroku,duypq94/heroku,heroku/heroku,gregburek/heroku,Faisalawanisee/heroku,greeca0204/heroku,vcgato29/heroku,sancopanco/heroku,vcgato29/heroku,vcgato29/heroku,duypq94/heroku,gregburek/heroku,rkh/heroku