upgrade libp2p to 0.50.0 (#12734)

* upgrade libp2p to 0.50.0

* on_swarm_event and on_connection_handler_event

* replace `Swarm::new` with `Swarm::with_threadpool_executor`

* on_swarm_event and on_connection_handler_event part 2

* on_swarm_event and on_connection_handler_event part 3

* on_swarm_event and on_connection_handler_event part 4

* update libp2p

* libp2p 0.50.0

* rename OutboundQueryCompleted to OutboundQueryProgressed

refs https://github.com/libp2p/rust-libp2p/pull/2712

* remove unused var

* accumulate outbound_query_records until query is finished

* format code

* use p_handler instead of new_handler

https://github.com/paritytech/substrate/pull/12734#discussion_r1027640610

* pass ListenFailure to kademlia

https://github.com/paritytech/substrate/pull/12734#discussion_r1034716664

* use tokio executor in tests

https://github.com/paritytech/substrate/pull/12734#discussion_r1039291776

* use chrono Local::now

instead of deprecated Local::today

* remove unused vars from request_responses tests

* attempt to fix pallet UI tests

* restart CI

* restart CI

* restart CI

* restart CI

* restart CI

* restart CI

* restart CI

* restart CI

substrate/client/telemetry/Cargo.toml

@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 chrono = "0.4.19"
 futures = "0.3.21"
-libp2p = { version = "0.49.0", default-features = false, features = ["dns", "tcp", "tokio", "wasm-ext", "websocket"] }
+libp2p = { version = "0.50.0", features = ["dns", "tcp", "tokio", "wasm-ext", "websocket"] }
 log = "0.4.17"
 parking_lot = "0.12.1"
 pin-project = "1.0.12"

substrate/client/telemetry/src/transport.rs

@@ -30,7 +30,7 @@ const CONNECT_TIMEOUT: Duration = Duration::from_secs(20);
 
 pub(crate) fn initialize_transport() -> Result<WsTrans, io::Error> {
 	let transport = {
-		let tcp_transport = libp2p::tcp::TokioTcpTransport::new(libp2p::tcp::GenTcpConfig::new());
+		let tcp_transport = libp2p::tcp::tokio::Transport::new(libp2p::tcp::Config::new());
 		let inner = libp2p::dns::TokioDnsConfig::system(tcp_transport)?;
 		libp2p::websocket::framed::WsConfig::new(inner).and_then(|connec, _| {
 			let connec = connec