buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -ex; ARCH=\"$(dpkg --print-architecture)\"; echo \"Host architecture is: ${ARCH}\"; if [ \"${ARCH}\" = \"amd64\" ]; then echo \"Running on amd64; adding armhf as a foreign architecture\"; dpkg --add-architecture armhf; echo \"deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports jammy main restricted universe multiverse\" > /etc/apt/sources.list.d/armhf.list; fi; apt-get update" did not complete successfully: exit code: 100