fix: add qemu setup (#164)

Author: 0x2E

.github/workflows/docker.yml

@@ -32,6 +32,10 @@ jobs:
             type=semver,pattern={{version}},enable=${{ github.event_name == 'release' }}
             # on push to main: tag with main
             type=raw,value=main,enable=${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: amd64,arm64
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker Hub