buildx failed with: ERROR: failed to solve: process "/bin/sh -c COLOUR='\\e[1;93m' && echo -e \"${COLOUR}Installing HighFinesse SCPI server...\\e[0m\" && mkdir /root/.ssh/ && echo \"${SSH_DEPLOY_KEY}\" > /root/.ssh/id_rsa && chmod 600 /root/.ssh/id_rsa && ssh-keyscan github.com >> /root/.ssh/known_hosts && git clone git@github.com:${GIT_REPOSITORY}.git app && pip install -r /app/requirements.txt && echo -e \"${COLOUR}Done.\\e[0m\"" did not complete successfully: exit code: 128