Switch libp2p sigp gossipsub fork (#4999)

* switch libp2p source to sigp fork

* Shift the connection closing inside RPC behaviour

* Tag specific commits

* Add slow peer scoring

* Fix test

* Use default yamux config

* Pin discv5 to our libp2p fork and cargo update

* Upgrade libp2p to enable yamux gains

* Add a comment specifying the branch being used

* cleanup build output from within container
(prevents CI warnings related to fs permissions)

* Remove revision tags add branches for testing, will revert back once we're happy

* Update to latest rust-libp2p version

* Pin forks

* Update cargo.lock

* Re-pin to panic-free rust

---------

Co-authored-by: Age Manning <Age@AgeManning.com>
Co-authored-by: Pawan Dhananjay <pawandhananjay@gmail.com>
Co-authored-by: antondlr <anton@delaruelle.net>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>

beacon_node/lighthouse_network/src/config.rs

@@ -5,7 +5,6 @@ use crate::{Enr, PeerIdSerialized};
 use directory::{
     DEFAULT_BEACON_NODE_DIR, DEFAULT_HARDCODED_NETWORK, DEFAULT_NETWORK_DIR, DEFAULT_ROOT_DIR,
 };
-use discv5::{Discv5Config, Discv5ConfigBuilder};
 use libp2p::gossipsub;
 use libp2p::Multiaddr;
 use serde::{Deserialize, Serialize};
@@ -91,7 +90,7 @@ pub struct Config {
 
     /// Discv5 configuration parameters.
     #[serde(skip)]
-    pub discv5_config: Discv5Config,
+    pub discv5_config: discv5::Config,
 
     /// List of nodes to initially connect to.
     pub boot_nodes_enr: Vec<Enr>,
@@ -324,7 +323,7 @@ impl Default for Config {
             discv5::ListenConfig::from_ip(Ipv4Addr::UNSPECIFIED.into(), 9000);
 
         // discv5 configuration
-        let discv5_config = Discv5ConfigBuilder::new(discv5_listen_config)
+        let discv5_config = discv5::ConfigBuilder::new(discv5_listen_config)
             .enable_packet_filter()
             .session_cache_capacity(5000)
             .request_timeout(Duration::from_secs(1))