✨ (helm/v1alpha1): add GitHub action to make easier validate the chart generate

[camilamacedo86]

Add action will help us and users validate the chart
See that it works: https://github.com/camilamacedo86/test-project/actions/runs/11971426907/job/33376226272

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[camilamacedo86]

Hi @monteiro-renato

I am moving forward with this one, but if you want to address any changes or improvements please feel free
It helps us to find issues.
For example, I noticed some issues related to the Prometheus integration.
I will open an issue for that.
There is probably something silly we are missing in the name.

[monteiro-renato]

Hi @camilamacedo86,
Should we add a step before "Install Helm chart for project" with a step that prints the final manifest?
i.e. something along the lines of helm template --namespace=qualquer dist/chart.

That's basically what I was doing locally to detect problems with the chart by comparing the generated helm manifest with the kustomize version.