fix(ci): build multi-plateforme linux/amd64,linux/arm64 QEMU

Author: btouchard

.github/workflows/build-docker.yml

@@ -45,6 +45,9 @@ jobs:
         # Strip leading 'v' from tag refs; leave branches unchanged
         echo "IMAGE_TAG=${GITHUB_REF_NAME#v}" >> "$GITHUB_ENV"
 
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3