Rate limit transaction counters (#5447)

* Rate limit transaction counters

* @sakridge feedback

* Set default high metrics rate for multinode demo

* Fix tests

* Swap defaults and fix env var tests

* Only set metrics rate if not already set

core/src/cluster_info.rs

@@ -1155,7 +1155,7 @@ impl ClusterInfo {
         stakes: &HashMap<Pubkey, u64>,
     ) -> Vec<SharedBlob> {
         let self_id = me.read().unwrap().gossip.id;
-        inc_new_counter_debug!("cluster_info-push_message", 1, 0, 1000);
+        inc_new_high_rate_counter_debug!("cluster_info-push_message", 1);
 
         let updated: Vec<_> =
             me.write()