Libp2p v0.48.0 upgrade (#3547)

## Issue Addressed

Upgrades libp2p to v.0.47.0. This is the compilation of
- [x] #3495 
- [x] #3497 
- [x] #3491 
- [x] #3546 
- [x] #3553 

Co-authored-by: Age Manning <Age@AgeManning.com>

beacon_node/lighthouse_network/src/service/behaviour.rs

@@ -0,0 +1,34 @@
+use crate::discovery::Discovery;
+use crate::peer_manager::PeerManager;
+use crate::rpc::{ReqId, RPC};
+use crate::types::SnappyTransform;
+
+use libp2p::gossipsub::subscription_filter::{
+    MaxCountSubscriptionFilter, WhitelistSubscriptionFilter,
+};
+use libp2p::gossipsub::Gossipsub as BaseGossipsub;
+use libp2p::identify::Identify;
+use libp2p::swarm::NetworkBehaviour;
+use libp2p::NetworkBehaviour;
+use types::EthSpec;
+
+use super::api_types::RequestId;
+
+pub type SubscriptionFilter = MaxCountSubscriptionFilter<WhitelistSubscriptionFilter>;
+pub type Gossipsub = BaseGossipsub<SnappyTransform, SubscriptionFilter>;
+
+#[derive(NetworkBehaviour)]
+pub(crate) struct Behaviour<AppReqId: ReqId, TSpec: EthSpec> {
+    /// The routing pub-sub mechanism for eth2.
+    pub gossipsub: Gossipsub,
+    /// The Eth2 RPC specified in the wire-0 protocol.
+    pub eth2_rpc: RPC<RequestId<AppReqId>, TSpec>,
+    /// Discv5 Discovery protocol.
+    pub discovery: Discovery<TSpec>,
+    /// Keep regular connection to peers and disconnect if absent.
+    // NOTE: The id protocol is used for initial interop. This will be removed by mainnet.
+    /// Provides IP addresses and peer information.
+    pub identify: Identify,
+    /// The peer manager that keeps track of peer's reputation and status.
+    pub peer_manager: PeerManager<TSpec>,
+}