Setup ReplayStage confirmation scaffolding for duplicate slots (#9698)

(cherry picked from commit 52703badfa)

core/src/validator.rs

@@ -670,6 +670,7 @@ impl Validator {
 
         let (retransmit_slots_sender, retransmit_slots_receiver) = unbounded();
         let (verified_vote_sender, verified_vote_receiver) = unbounded();
+        let (cluster_confirmed_slot_sender, cluster_confirmed_slot_receiver) = unbounded();
         let tvu = Tvu::new(
             vote_account,
             authorized_voter_keypairs,
@@ -720,6 +721,7 @@ impl Validator {
             replay_vote_sender.clone(),
             completed_data_sets_sender,
             bank_notification_sender.clone(),
+            cluster_confirmed_slot_receiver,
             TvuConfig {
                 max_ledger_shreds: config.max_ledger_shreds,
                 halt_on_trusted_validators_accounts_hash_mismatch: config
@@ -759,6 +761,7 @@ impl Validator {
             replay_vote_sender,
             bank_notification_sender,
             config.tpu_coalesce_ms,
+            cluster_confirmed_slot_sender,
         );
 
         datapoint_info!("validator-new", ("id", id.to_string(), String));