buildx failed with: ERROR: failed to solve: ubuntu:20.04: failed to resolve source metadata for docker.io/library/ubuntu:20.04: no match for platform in manifest: not found

The Ubuntu-20.04 brownout takes place from 2025-02-01. For more details, see https://github.com/actions/runner-images/issues/11101

The `save-state` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/