fix

.github/workflows/dockerhub.yml

@@ -33,12 +33,10 @@ jobs:
     steps:
       - name: checkout code
         uses: actions/checkout@v2
-      - name: install buildx
-        id: buildx
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
-        with:
-          buildx-version: latest
-          qemu-version: latest
       - name: login to docker hub
         run: |
           echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin