buildx failed with: ERROR: failed to solve: failed to push ghcr.io/antismash:nightly: unexpected status from HEAD request to https://ghcr.io/v2/antismash/blobs/sha256:6850432b7dbee9f5b6c4c45fb6bff3574e4908db5291e0e7b5f8e099cc8c01ee: 400 Bad Request