fix: allow connection gater classes #4779

Job	Run time
Build	3m 6s
Test example js-libp2p-example-connection-encryption	1m 8s
Test example js-libp2p-example-browser-pubsub	3m 43s
Test example js-libp2p-example-circuit-relay	4m 44s
Test example js-libp2p-example-pubsub	2m 55s
Test example js-libp2p-example-chat	5m 14s
Test example js-libp2p-example-peer-and-content-routing	3m 37s
Test example js-libp2p-example-custom-protocols	1m 8s
Test example js-libp2p-example-discovery-mechanisms	5m 19s
Test example js-libp2p-example-delegated-routing	4m 40s
Test example js-libp2p-example-protocol-and-stream-muxing	1m 37s
Test example js-libp2p-example-transports	1m 29s
Test example js-libp2p-example-webrtc-private-to-private	2m 15s
Test example js-libp2p-example-pnet	1m 51s
	42m 46s

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