p2p/net/swarm: rate limit dials. max of 10 addrs at a time.
p2p/net/swarm: rate limit dials. max of 10 addrs at a time.

This will mitigate the fd explosion, but slow down dials majorly
as any peer with more addresses than the rate limit will have
to wait a whole dial timeout (~15s)

zippy/go-libp2p,ipfs/go-libp2p,libp2p/go-libp2p,libp2p/go-libp2p