buildx failed with: ERROR: failed to solve: process "/bin/sh -c pip install --requirement /azimuth-schedule-operator/requirements.txt" did not complete successfully: exit code: 1

Unexpected input(s) 'sign_image', valid inputs are ['cache-key', 'build-args', 'context', 'file', 'labels', 'platforms', 'pull', 'push', 'tags']