Update pub_publish_dry_run.yml

Author: h65wang

.github/workflows/pub_publish_dry_run.yml

@@ -9,9 +9,13 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
+      - name: Install the latest stable version of Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
       - name: Publish
-        uses: sakebook/actions-flutter-pub-publisher@v1.3.0
+        uses: sakebook/actions-flutter-pub-publisher@v1.4.1
         with:
           credential: ${{ secrets.CREDENTIAL_JSON }}
           flutter_package: true