Add ingresses to tenant helm chart

[dnskr]

PR implements #585 with some additional improvements.

Implementation notes:

• Two independent Ingress objects have been added to tenant helm chart: API Ingress and Console Ingress
• Operator Ingress has been simplified due to minimal Kubernetes version requirement
• MinIO version has been updated in tenant helm chart
• Fixed some value types in tenant helm chart

Testing notes:

Tested locally on minikube

$ minikube start
$ minikube addons enable ingress
$ minikube version
minikube version: v1.25.2

Tested by deploying without TLS

helm install minio-tenant tenant \
 --set tenant.pools[0].volumesPerServer=1 \
 --set tenant.certificate.requestAutoCert=false \
 --set tenant.kes.kesSecret.name="" \
 --set tenant.prometheus.diskCapacityGB="" \
 --set tenant.log.audit.diskCapacityGB="" \
 --set ingress.api.enabled=true \
 --set ingress.console.enabled=true \
 --namespace minio-tenant --create-namespace

API check

$ mc alias set minio http://minio.local minio minio123
Added `minio` successfully.
$ mc ls minio
[2022-05-26 15:44:44 CEST]     0B test/

Console check

[dnskr]

Tested by deploying with auto TLS enabled in MinIO - tenant.certificate.requestAutoCert=true

helm install minio-tenant tenant \
 --set tenant.pools[0].volumesPerServer=1 \
 --set tenant.certificate.requestAutoCert=true \
 --set tenant.kes.kesSecret.name="" \
 --set tenant.prometheus.diskCapacityGB="" \
 --set tenant.log.audit.diskCapacityGB="" \
 --set ingress.api.enabled=true \
 --set ingress.api.annotations."nginx\.ingress\.kubernetes\.io\/backend\-protocol"=HTTPS \
 --set ingress.console.enabled=true \
 --set ingress.console.annotations."nginx\.ingress\.kubernetes\.io\/backend\-protocol"=HTTPS \
 --namespace minio-tenant --create-namespace

API check

$ mc alias set minio http://minio.local minio minio123
Added `minio` successfully.
$ mc ls minio
[2022-05-27 20:01:57 CEST]     0B test/

Console check

[cniackz]

We currently have version 4.4.22 in progress with changes for helm test already, let's get this version merged then I will understand and test this requested change. Thank you @dnskr for this PR! 👍

[dnskr]

The PR has been rebased onto Release v4.4.22 commit in master.

[cniackz]

Tested manually and tenant can be deployed:

[cniackz]

It looks good to me:

1. All tests are passing (not affected)
2. Tenant can be deployed via Helm (Either kind or minikube)
3. It is a nice addition to have load balancer (ingress controller)

[dnskr]

@cniackz Could wip label be removed?

[cniackz]

Hello @dnskr yes, I have removed the wip label 👍 and added more people to review this PR.