Bump libp2p to version 0.53.2 (#631)

* Bump libp2p to version 0.53.2

* We don't need to listen on tcp port when in relay mode

* Listening on relay circuit no longer sometimes fails

* Remove tcp feature requirement from libp2p

* Refactor connection_keep_alive method

* Clippy

* Remove unnecessary connection_keep_alive method from peers behaviour

* Add CHANGELOG.md entry

---------

Co-authored-by: adz <x12@adz.garden>

CHANGELOG.md

@@ -7,7 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Fixed 
+### Changed
+
+- Upate `libp2p` to version `0.53.2` and apply API changes [#631](https://github.com/p2panda/aquadoggo/pull/631)
+
+### Fixed
 
 - Handle connection ids greater than 9 in `Peer` impl of `Human` trait [#634](https://github.com/p2panda/aquadoggo/pull/634)