Update version of nginx-ingress

We are in 1.9.0. For example https://cern.service-now.com/service-portal?id=ticket&table=incident&n=INC3882725 needed 1.9.5 to have less noisy logs and better performance with ssl-passthrough.

We can move to controller-v1.11.1 and helm-chart-4.11.1.

It looks like the breaking changes: https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.10.0#:~:text=the%20breaking%20changes%20%3A-,Breaking,-changes are not impacting us:

• https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.10.0
  • This version does not support chroot image, this will be fixed on a future minor patch release
  • This version dropped Opentracing and zipkin modules, just Opentelemetry is supported as of this release
  • This version dropped support for PodSecurityPolicy
  • This version dropped support for GeoIP (legacy). Only GeoIP2 is supported
• https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.11.0