Add missing variable and upload of rpm to github

hack/jenkins/release_github_page.sh

@@ -27,6 +27,7 @@
 set -e
 export TAGNAME=v${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_BUILD}
 export DEB_VERSION=${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_BUILD}
+export RPM_VERSION=${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_BUILD}
 
 export GITHUB_ORGANIZATION="kubernetes"
 export GITHUB_REPO="minikube"
@@ -121,6 +122,7 @@ FILES_TO_UPLOAD=(
     'minikube-windows-amd64.sha256'
     'minikube-installer.exe'
     "minikube_${DEB_VERSION}.deb"
+    "minikube-${RPM_VERSION}.rpm"
     'docker-machine-driver-kvm2'
     'docker-machine-driver-hyperkit'
 )