ci: install qemu for multi-platform build

Author: feloy

.github/workflows/build-stack.yaml

@@ -59,6 +59,11 @@ jobs:
           EOT
           podman info
 
+      - name: Install qemu dependency
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y qemu-user-static
+
       - name: build package
         run: |
           pip install --upgrade build