fix(sm): use env script reference instead of hardcoded Helm version

[leiicamundi]

Description

Replace hardcoded HELM_CHART_VERSION export with a reference snippet to 0-set-environment.sh in the operator-based infrastructure guide.

Related to https://camunda.slack.com/archives/C07KBQY7H0C/p1774964251761389

When should this change go live?

• This is a bug fix, security concern, or something that needs urgent release support. (add bug or support label)
• This is already available but undocumented and should be released within a week. (add available & undocumented label)
• This is on a specific schedule and the assignee will coordinate a release with the Documentation team. (create draft PR and/or add hold label)
• This is part of a scheduled alpha or minor. (add alpha or minor label)
• There is no urgency with this change (add low prio label)

PR Checklist

• The commit history of this PR is cleaned up, using {type}(scope): {description} commit message(s)

• My changes are for an upcoming minor release and are in the /docs directory (version 8.9).
• My changes are for an already released minor and are in a /versioned_docs directory.

• I added a DRI, team, or delegate as a reviewer for technical accuracy and grammar/style:
  • Engineering team review
  • Technical writer review via @camunda/tech-writers unless working with an embedded writer.

[Copilot]

Pull request overview

Updates the operator-based infrastructure deployment docs to avoid hardcoding a Helm chart version and instead point readers to the shared environment setup script from camunda-deployment-references.

Changes:

• Replaces the inline export HELM_CHART_VERSION=... snippet with a 0-set-environment.sh reference block.
• Removes camunda-values-identity-secrets.yml from the example helm install ... -f ... commands (in both “with domain” and “local development” variants).

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 6 comments.

File	Description
docs/self-managed/deployment/helm/configure/operator-based-infrastructure.md	Switches chart version guidance to a referenced env script; adjusts Helm install examples.
versioned_docs/version-8.8/self-managed/deployment/helm/configure/operator-based-infrastructure.md	Same changes as above, pinned to stable/8.8 references for the 8.8 docs set.

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[infraex-misc]

🔍 InfraEx Content Detected

This PR modifies documentation pages owned or referenced by the Infrastructure Experience team.

A review from @camunda/infraex-medic has been requested to ensure technical consistency.

📎 Files referencing monitored repos

File
docs/self-managed/deployment/helm/configure/operator-based-infrastructure.md
versioned_docs/version-8.8/self-managed/deployment/helm/configure/operator-based-infrastructure.md

❌ Broken links

Source file	Broken URL
versioned_docs/version-8.8/self-managed/deployment/helm/configure/operator-based-infrastructure.md	https://github.com/camunda/camunda-deployment-references/blob/stable/8.8/camunda-deployment-references/generic/kubernetes/operator-based/get-your-copy.sh

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ℹ️ What to check

• Link validity: Do links still point to existing files/branches?
• Technical accuracy: Are references consistent with the deployment repo?
• Version alignment: Do version-specific docs match the release branch?
• Architecture consistency: Do changes align with the reference architecture?

Auto-generated by InfraEx Docs PR Watcher.

[sergiizakharov]

thnx

[github-actions]

👋 🤖 🤔 Hello, @leiicamundi! Did you make your changes in all the right places?

These files were changed only in docs/. You might want to duplicate these changes in versioned_docs/version-8.8/.

• docs/self-managed/concepts/secondary-storage/no-secondary-storage.md

These files were changed only in versioned_docs/version-8.8/. You might want to duplicate these changes in docs/.

• versioned_docs/version-8.8/self-managed/concepts/no-secondary-storage.md

You may have done this intentionally, but we wanted to point it out in case you didn't. You can read more about the versioning within our docs in our documentation guidelines.

[leiicamundi]

@christinaausley thanks to the review, I edited the docs to include the replcaement of Camunda Platform to Camunda in 89b9b44, could you review it? Thanks!

[github-actions]

🧹 Preview environment for this PR has been torn down.