[RHOSP-16] Undercloud deployment is failing with HTTPError: 401 Client Error: Unauthorized for url

Issue

• Undercloud installation is failing with below error message

   "OSError: [rhosp-rhel8/openstack-nova-compute-ironic] Write Failure: 401 Client Error: Unautho
  rized for url: https://registry.redhat.io/v2/rhosp-rhel8/openstack-nova-compute-ironic/blobs/sha256:3555eb5c0448622311c2673371688ce931d0b6089adb090182558ca62c2edcab"], "stdo
  ut": "", "stdout_lines": []}