Kubernetes Ingress class deprecated in helm chart deployment

[borovskimateusz]

Bug description
Helm chart use depraced kubernetes.io/ingress.class it's problem with cloud deployment of nginx ingress with that class we should add separated file in templates https://github.com/DefectDojo/django-DefectDojo/tree/master/helm/defectdojo/templates with spec.ingressClassname

Steps to reproduce
Steps to reproduce the behavior:

1. Go to https://github.com/DefectDojo/django-DefectDojo/blob/master/helm/defectdojo/templates/django-ingress.yaml

Expected behavior
When upgrade helm deployment like. helm upgrade --install defectdojo ./ --values ./custom-values.yaml --namespace securecodebox-system

we got warning:
W0321 14:44:35.026276 38208 warnings.go:70] annotation "kubernetes.io/ingress.class" is deprecated, please use 'spec.ingressClassName' instead

Deployment method (select with an X)

• Docker Compose
• Kubernetes
• GoDojo

Screenshots

Additional context (optional)
Add any other context about the problem here.

[mtesauro]

@dsever FYI