ingress-nginx-app release v1.6.7

Changed

• Align graceful termination configuration with changes made in upstream ingress-nginx 0.26.0 (see related PR #4487 and important section in 0.26.0 release notes).
  • Make NGINX IC Deployment’s terminationGracePeriodSeconds configurable and align its default with configmap.worker-shutdown-timeout
  • Make NGINX IC controller container lifecycle hooks configurable, and change from sleep 60 to using /wait-shutdown as preStop hook.
• Make controller.minReadySeconds configurable.