message: Fix 410 gone response handling
diff: @@ -235,7 +235,7 @@ impl<'cfg> HttpRegistry<'cfg> {
  result.with_context(|| format!("failed to download from `{}`", url))?;
  let code = handle.response_code()?;
  // Keep this list of expected status codes in sync with the codes handled in `load`
  - if !matches!(code, 200 | 304 | 401 | 404 | 451) {
  + if !matches!(code, 200 | 304 | 410 | 404 | 451) {
  let url = handle.effective_url()?.unwrap_or(&url);
  return Err(HttpNotSuccessful {
  code,
  