Renew expired certificate used in tests#6738

pdabelf5 merged 1 commit intorelease-3.7nginx/kubernetes-ingress:release-3.7from

cherry-pick-release-3.7-41d4920c5648bf16090e628e98132160af110421nginx/kubernetes-ingress:cherry-pick-release-3.7-41d4920c5648bf16090e628e98132160af110421Copy head branch name to clipboard