ci: enable qemu binfmt and docker-container buildx for cross-arch builds

Jenkinsfile

@@ -190,7 +190,13 @@ spec:
               docker version || true
               exit 1
             fi
-            docker buildx use default || docker buildx create --name default --driver docker --use
+            docker run --privileged --rm tonistiigi/binfmt --install amd64,arm64
+            if docker buildx inspect metis-builder >/dev/null 2>&1; then
+              docker buildx use metis-builder
+            else
+              docker buildx create --name metis-builder --driver docker-container --use
+            fi
+            docker buildx inspect --bootstrap
           '''
         }
       }