[release-1.28] Set keepalives on outbound connections#1698

istio-testing merged 2 commits intoistio:release-1.28istio/ztunnel:release-1.28from

istio-testing:cherry-pick-1688-to-release-1.28istio-testing/ztunnel:cherry-pick-1688-to-release-1.28Copy head branch name to clipboard