Update docker-dev.yml

Author: LargoUsagi

.github/workflows/docker-dev.yml

@@ -15,11 +15,19 @@ jobs:
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: all
       - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v1
         with:
           version: latest
+      -
+        name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
       - name: build the image
         run: |
           docker buildx build \