[release-1.25] fix istio_build metric#1534

istio-testing merged 2 commits intoistio:release-1.25istio/ztunnel:release-1.25from

istio-testing:cherry-pick-1532-to-release-1.25istio-testing/ztunnel:cherry-pick-1532-to-release-1.25Copy head branch name to clipboard