mirrors can be configured in dockerd or buildkit. if you can update the config (might need a self-hosted runner?) it’s a quick fix - see https://cloud.google.com/artifact-registry/docs/pull-cached-... for an example. aws and azure are similar.
https://github.com/actions/runner-images/issues/1445#issueco... https://github.com/orgs/community/discussions/76636