*: Prepare v0.43.0

[mxinden]

Proposing to release libp2p v0.43.0 soonish. Anything not in master today that you would like to see included?

There's a few more small changes (metrics) to add to gossipsub, so happy to wait for next release cycle. :)

Following up on #2497 (comment), anything missing for gossipsub @AgeManning?

[AgeManning]

Nothing I can think of at the moment

[mxinden]

Published and tagged the following crates:

• libp2p-autonat-0.2.0
• libp2p-core-0.32.0
• libp2p-dcutr-0.1.0
• libp2p-deflate-0.32.0
• libp2p-dns-0.32.0
• libp2p-floodsub-0.34.0
• libp2p-gossipsub-0.36.0
• libp2p-identify-0.34.0
• libp2p-kad-0.35.0
• libp2p-mdns-0.35.0
• libp2p-metrics-0.4.0
• libp2p-mplex-0.32.0
• libp2p-noise-0.35.0
• libp2p-ping-0.34.0
• libp2p-plaintext-0.32.0
• libp2p-relay-0.7.0
• libp2p-rendezvous-0.4.0
• libp2p-request-response-0.16.0
• libp2p-swarm-0.34.0
• libp2p-swarm-derive-0.27.0
• libp2p-tcp-0.32.0
• libp2p-uds-0.32.0
• libp2p-wasm-ext-0.32.0
• libp2p-websocket-0.34.0
• libp2p-yamux-0.36.0
• v0.43.0
  `