release: add go generate (#829)
release: add go generate (#829)

Do a go generate to generate all middleware we want/need before
releasing a new CoreDNS version.
miekg/coredns,coredns/coredns,ii/coredns,yongtang/coredns,jremond/coredns,jremond/coredns,johnbelamaric/coredns,miekg/coredns,chrisohaver/coredns,ii/coredns,johnbelamaric/coredns