feat(dht): updated republish and expiration

Applies changes from libp2p/specs#451

New defaults are:
Record Expiration: 48h
Record Republish Interval: 22h

Closes #3229

protocols/kad/src/behaviour.rs

@@ -185,12 +185,12 @@ impl Default for KademliaConfig {
             kbucket_pending_timeout: Duration::from_secs(60),
             query_config: QueryConfig::default(),
             protocol_config: Default::default(),
-            record_ttl: Some(Duration::from_secs(36 * 60 * 60)),
+            record_ttl: Some(Duration::from_secs(48 * 60 * 60)),
             record_replication_interval: Some(Duration::from_secs(60 * 60)),
-            record_publication_interval: Some(Duration::from_secs(24 * 60 * 60)),
+            record_publication_interval: Some(Duration::from_secs(22 * 60 * 60)),
             record_filtering: KademliaStoreInserts::Unfiltered,
-            provider_publication_interval: Some(Duration::from_secs(12 * 60 * 60)),
-            provider_record_ttl: Some(Duration::from_secs(24 * 60 * 60)),
+            provider_publication_interval: Some(Duration::from_secs(22 * 60 * 60)),
+            provider_record_ttl: Some(Duration::from_secs(48 * 60 * 60)),
             connection_idle_timeout: Duration::from_secs(10),
             kbucket_inserts: KademliaBucketInserts::OnConnected,
             caching: KademliaCaching::Enabled { max_peers: 1 },