feat: add dns mappings to address manager #3696

Job	Run time
Build	3m 15s
Test example js-libp2p-example-browser-pubsub	1m 59s
Test example js-libp2p-example-chat	1m 15s
Test example js-libp2p-example-circuit-relay	1m 18s
Test example js-libp2p-example-connection-encryption	55s
Test example js-libp2p-example-custom-protocols	1m 27s
Test example js-libp2p-example-delegated-routing	1m 48s
Test example js-libp2p-example-discovery-mechanisms	1m 18s
Test example js-libp2p-example-peer-and-content-routing	1m 30s
Test example js-libp2p-example-pnet	1m 13s
Test example js-libp2p-example-protocol-and-stream-muxing	55s
Test example js-libp2p-example-pubsub	1m 0s
Test example js-libp2p-example-transports	1m 15s
Test example js-libp2p-example-webrtc-private-to-private	1m 44s
	20m 52s

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