buildx failed with: ERROR: failed to solve: failed to compute cache key: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/sphinxdoc/sphinx-latexpdf/blobs/sha256:81f178b24f84998e2b94c64ab8d52a8bab34bce568876b405c5aa1cacb757465: 429 Too Many Requests

No Docker image version has been generated. Check tags input.