After RKE2 upgrade you will lost your rke2-ingress-nginx-controller config
values.
Define this HelmChartConfig and your setup will be used every time, when you
upgrade RKE2. More info about config in official documentation
[https://docs.rke2.io/networking/#nginx-ingress-controller].
apiVersion: helm.cattle.io/v1
kind: HelmChartConfig
metadata:
name: rke2-ingress-nginx
namespace: kube-system