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Upgrade to KubeZero V2(Argoless)

disable all auto-sync in argo !!
migrate values.yaml to new structure,adapt as needed
update new central kubezero location in git and merge cluster configs

High level / Admin changes

ArgoCD is now optional
ArgoCD is NOT required nor used during initial cluster bootstrap
the initial bootstrap script now uses the same config as ArgoCD later on
the initial bootstrap is WAY faster and re-try safe

Individual changes

Cert-manager

local issuer is now a cluster issuer
all resources moved to cert-manager namespace

Kiam

check certs and function due to cert-manager changes
set priorty class

Logging

ES/Kibana version bump, new ECK operator

ArgoCD

version bump, new app of app architecure

Metrics

version bumps
all servicemonitor resources are now in the same namespaces as the apps
check all metrics still work

Calico

version bump

EBS

version bump

Istio

operator removed, deployment migrated to helm, cleanups
version bump to 1.8
no more policy by default
all ingress in dedicated new namespace istio-ingress as well as dedicated helm chart
set priorty class