udp: decrease default worker_channel_size to 1024

crates/udp/src/config.rs

@@ -58,7 +58,7 @@ impl Default for Config {
             socket_workers: 1,
             swarm_workers: 1,
             log_level: LogLevel::Error,
-            worker_channel_size: 4_096,
+            worker_channel_size: 1_024,
             request_channel_recv_timeout_ms: 100,
             network: NetworkConfig::default(),
             protocol: ProtocolConfig::default(),