even more aggressive reconnect on stale connections

Signed-off-by: William Casarin <jb55@jb55.com>

damus/Nostr/RelayPool.swift

@@ -84,7 +84,7 @@ class RelayPool {
             
             let is_connecting = c.isReconnecting || c.isConnecting
             
-            if is_connecting && (Date.now.timeIntervalSince1970 - c.last_connection_attempt) > 10 {
+            if is_connecting && (Date.now.timeIntervalSince1970 - c.last_connection_attempt) > 5 {
                 print("stale connection detected (\(relay.descriptor.url.absoluteString)). retrying...")
                 relay.connection.connect(force: true)
             } else if relay.is_broken || is_connecting || c.isConnected {