ci(docker): add multi-platform build for linux/amd64 and linux/arm64

.github/workflows/release.yml

@@ -321,6 +321,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -338,6 +341,7 @@ jobs:
         uses: docker/build-push-action@v6
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: |
             ${{ secrets.DOCKERHUB_USERNAME }}/dbx:${{ steps.version.outputs.version }}