buildx failed with: ERROR: failed to solve: failed to compute cache key: failed to calculate checksum of ref ca073c44-6cdd-44dc-93a1-cd9c3d7e5dc6::x5x6h6rlkvqjyo0bxq3lzzm5h: "/usr/src/phpdraft/build/out/phpdraft-nightly.phar": not found