chore(deps): bump github.com/libp2p/go-libp2p from 0.1.1 to 0.4.0

Bumps [github.com/libp2p/go-libp2p](https://github.com/libp2p/go-libp2p) from 0.1.1 to 0.4.0.
- [Release notes](https://github.com/libp2p/go-libp2p/releases)
- [Changelog](https://github.com/libp2p/go-libp2p/blob/master/NEWS.md)
- [Commits](https://github.com/libp2p/go-libp2p/compare/v0.1.1...v0.4.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -22,7 +22,7 @@ require (
 	github.com/ipfs/go-peertaskqueue v0.1.1
 	github.com/jbenet/goprocess v0.1.3
 	github.com/libp2p/go-buffer-pool v0.0.2
-	github.com/libp2p/go-libp2p v0.1.1
+	github.com/libp2p/go-libp2p v0.4.0
 	github.com/libp2p/go-libp2p-core v0.0.3
 	github.com/libp2p/go-libp2p-loggables v0.1.0
 	github.com/libp2p/go-libp2p-netutil v0.1.0