message: Make `Config` cloneable.
diff: @@ -3,7 +3,7 @@ use serde::{Deserialize, Serialize};
  use crate::{crypto::asymmetric_key::SecretKey, utils::External};
  /// Consensus configuration.
  -#[derive(Debug, Deserialize, Serialize, Default)]
  +#[derive(Debug, Deserialize, Serialize, Default, Clone)]
  // Disallow unknown fields to ensure config files and command-line overrides contain valid keys.
  #[serde(deny_unknown_fields)]
  pub struct Config {
  