cli for num account index bins (#19085)

local-cluster/src/validator_configs.rs

@@ -57,6 +57,7 @@ pub fn safe_clone_config(config: &ValidatorConfig) -> ValidatorConfig {
         poh_hashes_per_batch: config.poh_hashes_per_batch,
         no_wait_for_vote_to_start_leader: config.no_wait_for_vote_to_start_leader,
         accounts_shrink_ratio: config.accounts_shrink_ratio,
+        accounts_index_bins: config.accounts_index_bins,
     }
 }