feat(mdns): emit ToSwarm::NewExternalAddrOfPeer on discovery#5753

mergify[bot] merged 11 commits into

libp2p:masterlibp2p/rust-libp2p:masterfrom

hopinheimer:feat/mdns-emit-exteraddrhopinheimer/rust-libp2p:feat/mdns-emit-exteraddrCopy head branch name to clipboard