[cherry-pick] Docker image update 8f6021bc#8140

AlexFenlon merged 2 commits intorelease-5.1nginx/kubernetes-ingress:release-5.1from

cherry-pick-release-5.1-78b11d443f48ffee5a345730c96b1a1ebbea5bddnginx/kubernetes-ingress:cherry-pick-release-5.1-78b11d443f48ffee5a345730c96b1a1ebbea5bddCopy head branch name to clipboard