fix: allow connection gater classes #4856

Job	Run time
Build	2m 57s
Test example js-libp2p-example-connection-encryption	2m 48s
Test example js-libp2p-example-circuit-relay	3m 25s
Test example js-libp2p-example-pnet	3m 4s
Test example js-libp2p-example-custom-protocols	1m 23s
Test example js-libp2p-example-peer-and-content-routing	2m 38s
Test example js-libp2p-example-browser-pubsub	8m 24s
Test example js-libp2p-example-pubsub	3m 3s
Test example js-libp2p-example-chat	2m 30s
Test example js-libp2p-example-webrtc-private-to-private	4m 29s
Test example js-libp2p-example-protocol-and-stream-muxing	1m 59s
Test example js-libp2p-example-transports	3m 22s
Test example js-libp2p-example-delegated-routing	4m 37s
Test example js-libp2p-example-discovery-mechanisms	1m 57s
	46m 36s

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