helm chart should not default image tag to latest

[not22day]

What happened?

The current Chart YAML looks like this

apiVersion: v1
appVersion: "1.0"
description: A Helm chart for Kubernetes
name: stackit-cert-manager-webhook
version: 0.3.0

I understand Helm best practices would be

1. appVersion becomes the software release version = the tag of the docker image
2. version is the version of the helm chart enumerated and incremented by itself

image tag gets defaulted by appVersion
image: "{{ $registry }}/{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"

How can we reproduce this?

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Additional context

No response