fix: increase max autonat streams and limit incoming message size #3861

Job	Run time
Build	3m 32s
Test example js-libp2p-example-browser-pubsub	2m 19s
Test example js-libp2p-example-chat	1m 29s
Test example js-libp2p-example-circuit-relay	55s
Test example js-libp2p-example-connection-encryption	51s
Test example js-libp2p-example-custom-protocols	58s
Test example js-libp2p-example-delegated-routing	2m 18s
Test example js-libp2p-example-discovery-mechanisms	1m 29s
Test example js-libp2p-example-peer-and-content-routing	1m 9s
Test example js-libp2p-example-pnet	1m 17s
Test example js-libp2p-example-protocol-and-stream-muxing	56s
Test example js-libp2p-example-pubsub	59s
Test example js-libp2p-example-transports	1m 2s
Test example js-libp2p-example-webrtc-private-to-private	1m 49s
	21m 3s

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