Helm: Put service account into pre-install hook.

[tandrup]

This enables users to install the chart using ArgoCD without setting special values.

This solves #1143 without requiring setting special undocumented values in values.yaml like the PR #1145 requires.

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[tandrup]

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[liyinan926]

Please update the chart version.

[jgoeres]

We observed that since this webhook has been added, ArgoCD will re-create the serviceaccount on every sync.
Did anyone else observe this, too? We are on a somewhat dated ArgoCD version v1.5.8+47f43f9 (and no, we cannot change that easily).

[domenicbove]

Hey would it be possible to add the corresponding argocd annotations alongside the helm annotations into the chart values?

Right now I put these into my values file:

  cleanupAnnotations:
    # These are the original helm hook annotations and their argocd mappings
    # "helm.sh/hook": pre-delete, pre-upgrade
    # "helm.sh/hook-delete-policy": hook-succeeded
    "argocd.argoproj.io/hook": PreSync
    "argocd.argoproj.io/hook-delete-policy": HookSucceeded

  initAnnotations:
    # These are the original helm hook annotations and their argocd mappings
    # "helm.sh/hook": pre-install, pre-upgrade
    # "helm.sh/hook-weight": "50"
    "argocd.argoproj.io/hook": PreSync
    "argocd.argoproj.io/sync-wave": "50"

I noticed the there are a few 2 other resources with helm.sh/hook annotations.