Print PR title from Go for Github Action.

.github/workflows/update-k8s-versions.yml

@@ -6,7 +6,7 @@ on:
     - cron: "0 8 * * 1"
 env:
   GOPROXY: https://proxy.golang.org
-  GO_VERSION: '1.17.5'
+  GO_VERSION: "1.17.5"
 jobs:
   bump-k8s-versions:
     runs-on: ubuntu-20.04
@@ -19,7 +19,8 @@ jobs:
       - name: Bump Kuberenetes Versions
         id: bumpk8s
         run: |
-          make update-kubernetes-version
+          t=$(make update-kubernetes-version)
+          echo "::set-output name=title::$t"
           c=$(git status --porcelain)
           c="${c//$'\n'/'%0A'}"
           c="${c//$'\r'/'%0D'}"
@@ -36,13 +37,12 @@ jobs:
           push-to-fork: minikube-bot/minikube
           base: master
           delete-branch: true
-          title: 'bump default/newest kubernetes versions'
+          title: "${{ steps.bumpk8s.outputs.title }}"
           labels: ok-to-test
           body: |
             This PR was auto-generated by `make update-kubernetes-version` using [update-k8s-versions.yml](https://github.com/kubernetes/minikube/tree/master/.github/workflows) CI Workflow. 
             Please only merge if all the tests pass.
-            
+
             ```
             ${{ steps.bumpk8s.outputs.changes }}
             ```
-

hack/update/kubernetes_version/update_kubernetes_version.go

@@ -28,6 +28,7 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"time"
 
 	"golang.org/x/mod/semver"
@@ -137,6 +138,9 @@ func main() {
 		klog.Fatalf("Unable to get Kubernetes versions: %v", err)
 	}
 	data := Data{StableVersion: stable, LatestVersion: latest, LatestVersionMM: latestMM, LatestVersionP0: latestP0}
+
+	// Print PR title for Github action.
+	fmt.Printf("bump kubernetes version default: %s and latest: %s", data.StableVersion, data.LatestVersion)
 	klog.Infof("Kubernetes versions: 'stable' is %s and 'latest' is %s", data.StableVersion, data.LatestVersion)
 
 	update.Apply(ctx, schema, data, prBranchPrefix, prTitle, prIssue)