update v0.27.0 release notes
update v0.27.0 release notes

holgero/concourse,squeedee/concourse,zachgersh/concourse,jbayer/concourse,concourse/concourse,Amit-PivotalLabs/concourse,longnguyen11288/concourse,holgero/concourse,holgero/concourse,CloudCredo/concourse,sedouard/concourse,CloudCredo/concourse,cjcjameson/concourse,beni55/concourse,cjcjameson/concourse,cjcjameson/concourse,concourse/concourse,zachgersh/concourse,beni55/concourse,concourse/concourse,jbayer/concourse,beni55/concourse,longnguyen11288/concourse,CloudCredo/concourse,sedouard/concourse,squeedee/concourse,squeedee/concourse,Amit-PivotalLabs/concourse,longnguyen11288/concourse,concourse/concourse,jbayer/concourse,concourse/concourse,sedouard/concourse,zachgersh/concourse,Amit-PivotalLabs/concourse