fix(workflow): error helm version

Author: duanhongyi

_scripts/install.sh

@@ -28,11 +28,11 @@ init_arch
 
 function install_helm {
   if [[ "${INSTALL_DRYCC_MIRROR}" == "cn" ]] ; then
-    version=$(curl -Ls https://github.com/helm/helm/releases|grep /helm/helm/releases/tag/ | sed -E 's/.*\/helm\/helm\/releases\/tag\/(v[0-9\.]+)".*/\1/g' | head -1)
+    version=$(curl -Ls https://github.com/helm/helm/releases|grep /helm/helm/releases/tag/ | sed -E 's/.*\/helm\/helm\/releases\/tag\/(v[0-9\.]{1,}(-rc.[0-9]{1,})?)".*/\1/g' | head -1)
     tar_name="helm-${version}-linux-${ARCH}.tar.gz"
     helm_download_url="https://github.com/helm/${tar_name}"
   else
-    version=$(curl -Ls https://github.com/helm/helm/releases|grep /helm/helm/releases/tag/ | sed -E 's/.*\/helm\/helm\/releases\/tag\/(v[0-9\.]+)".*/\1/g' | head -1)
+    version=$(curl -Ls https://github.com/helm/helm/releases|grep /helm/helm/releases/tag/ | sed -E 's/.*\/helm\/helm\/releases\/tag\/(v[0-9\.]{1,}(-rc.[0-9]{1,})?)".*/\1/g' | head -1)
     tar_name="helm-${version}-linux-${ARCH}.tar.gz"
     helm_download_url="https://get.helm.sh/${tar_name}"
   fi