Enable gossiping of newer IPs when connected to an older IP #5306

Job	Run time
e2e	10m 50s
Unit (macos-12)	9m 29s
Unit (ubuntu-20.04)	7m 3s
Up-to-date protobuf	33s
Protobuf Lint	6s
Unit (ubuntu-22.04)	7m 8s
Up-to-date mocks	2m 7s
Unit (windows-2022)	11m 15s
Unit (self-hosted, linux, ARM64, focal)	1m 13s
e2e_existing_network	4m 54s
Fuzz	13m 6s
Unit (self-hosted, linux, ARM64, jammy)	1m 14s
Up-to-date go.mod and go.sum	9s
Lint	3m 10s
Image build	10m 20s
Upgrade	3m 24s
govulncheck	1m 10s
Antithesis avalanchego build	5m 40s
	1h 32m 51s

Provide feedback