buildx failed with: ERROR: failed to solve: process "/bin/sh -c mkdir /etc/apt/keyrings && curl -fsSL -o /etc/apt/keyrings/salt-archive-keyring-2023-arm.gpg https://repo.saltproject.io/salt/py3/ubuntu/20.04/arm64/SALT-PROJECT-GPG-PUBKEY-2023.gpg && echo \"deb [signed-by=/etc/apt/keyrings/salt-archive-keyring-2023-arm.gpg arch=arm64] https://repo.saltproject.io/salt/py3/ubuntu/20.04/arm64/$SALT_VERSION focal main\" | tee /etc/apt/sources.list.d/salt.list && curl -fsSL -o /etc/apt/keyrings/salt-archive-keyring-2023-amd.gpg https://repo.saltproject.io/salt/py3/ubuntu/20.04/amd64/SALT-PROJECT-GPG-PUBKEY-2023.gpg && echo \"deb [signed-by=/etc/apt/keyrings/salt-archive-keyring-2023-amd.gpg arch=amd64] https://repo.saltproject.io/salt/py3/ubuntu/20.04/amd64/$SALT_VERSION focal main\" | tee -a /etc/apt/sources.list.d/salt.list && apt-get clean && apt-get update && apt-get install -y salt-minion" did not complete successfully: exit code: 6

The job was canceled because "self-hosted_X64_amd64" failed.