message: Use `Display` instead of `Debug` in logs.
diff: @@ -636,8 +636,8 @@ where
  if block.protocol_version() != self.protocol_version {
  warn!(
  %peer,
  - protocol_version = ?self.protocol_version,
  - block_version = ?block.protocol_version(),
  + protocol_version = %self.protocol_version,
  + block_version = %block.protocol_version(),
  "block protocol version mismatch",
  );
  // NOTE: Signal misbehaving validator to networking layer.
  @@ -796,7 +796,7 @@ where
  effects
  }
  Event::GotUpgradeActivationPoint(next_upgrade_activation_point) => {
  - trace!(?next_upgrade_activation_point, "new activation point");
  + trace!(%next_upgrade_activation_point, "new activation point");
  self.next_upgrade_activation_point = Some(next_upgrade_activation_point);
  Effects::new()
  }
  @@ -806,7 +806,7 @@ where
  self.handle_upgrade_shutdown(effect_builder)
  }
  Event::Shutdown(upgrade) => {
  - info!(?upgrade, "ready for shutdown");
  + info!(%upgrade, "ready for shutdown");
  self.stop_for_upgrade = upgrade;
  Effects::new()
  }
  