message: feat(cli): warn user about stale data
diff: @@ -420,7 +420,7 @@ namespace Nextclade {
  "--output-dir='data/{}_{}_{}'\n\n",
  dataset.name, ref.accession, version.tag, dataset.name, ref.accession, version.tag);
  - fmt::format_to(buf, " (In this case repeated downloads will always produce the same files.)\n\n",
  + fmt::format_to(buf, " (In this case repeated downloads will always produce the same files. This is only recommended if you need strictly reproducible results. Note that with stale data, updated clades and other features will not be available. We recommend to update data periodically.)\n\n",
  dataset.defaultRef);
  fmt::format_to(buf, "\n");
  