Document operational rationale for aws-es-proxy master tag

[Copilot]

quay.io/cdis/aws-es-proxy does not publish immutable release/date tags — master is the only available tag. Added an inline comment to both environment values.yaml files to document this constraint, addressing the reviewer's request for explicit rationale when a mutable tag must be used.

Changes

• ardac1prd/portal.ardac.org/values.yaml — comment above tag: "master" explaining the image doesn't publish versioned tags
• ardac1dmo/demo.ardac.org/values.yaml — same comment for consistency

aws-es-proxy:
  image:
    repository: quay.io/cdis/aws-es-proxy
    # quay.io/cdis/aws-es-proxy does not publish immutable release tags; "master" is the only available tag
    tag: "master"

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[Copilot]

Pull request overview

Documents why aws-es-proxy must remain pinned to the mutable master tag by adding an inline rationale comment in both environment Helm values files.

Changes:

• Added a comment explaining that quay.io/cdis/aws-es-proxy does not publish immutable release/date tags.
• Applied the same comment to both prd and dmo values files for consistency.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
ardac1prd/portal.ardac.org/values.yaml	Adds inline rationale for using aws-es-proxy image tag master.
ardac1dmo/demo.ardac.org/values.yaml	Mirrors the same rationale comment for consistency across environments.

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