Fix VPA updateMode YAML parsing by adding quotes

[DaStru]

The VPA templates render updateMode without quotes, causing it to be interpreted as a boolean in YAML 1.1. This breaks deployments on clusters with strict VPA webhook validation (like GKE) with the error:

admission webhook "gke-vpa.k8s.io" denied the request: json: cannot unmarshal bool into Go struct field PodUpdatePolicy.spec.updatePolicy.updateMode of type v1.UpdateMode

The issue occurs when users set updateMode: "Off" in values - it gets rendered as unquoted updateMode: Off, which YAML interprets as the boolean false. The VPA API expects a string enum value.

This fix adds the | quote Helm filter to ensure the value is always rendered as a properly quoted string.

Changes:

• templates/web/vpa.yaml: Quote updateMode value
• templates/worker/vpa.yaml: Quote updateMode value

---

Important

Fixes YAML parsing issue by quoting updateMode in VPA templates to prevent boolean misinterpretation.

• Behavior:
  • Fixes YAML parsing issue by quoting updateMode in web/vpa.yaml and worker/vpa.yaml.
  • Prevents updateMode from being interpreted as a boolean, ensuring it is treated as a string.
• Files:
  • web/vpa.yaml: Adds | quote to updateMode.
  • worker/vpa.yaml: Adds | quote to updateMode.

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[CLAassistant]

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