Additioanlly, bumping up the Chart version to 1.24.7 without which the
ingress controller fails to deploy on 1.16.x.

Additionally, bump up nginx_ingress_controller_tag version to 0.26.1.
This is to ensure that we are running an up to date nginx ingress
controller with fixes for known CVEs.

Story: 2006853
Task: 37444

Change-Id: Ibf045a06d19b02095e19d9a21d14a91a39a3751c
(cherry picked from commit 7d6e344f)