Download the installer for your operating system or run
oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.7.8-x86_64
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Unable to show full changelog: could not generate a changelog: error: unable to parse image quay.io/openshift-release-dev/ocp-release:4.7.6-x86_64: cannot retrieve image configuration for manifest sha256:2721145d62b8dbff8808cd7b12a8b24a81a8edad8f1078010f58c673f76bb419: received unexpected HTTP status: 500 Internal Server Error
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