ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Failed to restore: Cache service responded with 429

Magic Nix Cache has been deprecated due to a change in the underlying GitHub APIs and will stop working on 1 February 2025. To continue caching Nix builds in GitHub Actions, use FlakeHub Cache instead. Replace... - uses: DeterminateSystems/magic-nix-cache-action@main ...with... - uses: DeterminateSystems/flakehub-cache-action@main For more details: https://dtr.mn/magic-nix-cache-eol