Add workflow_dispatch to automate GitOps Promoter version updates

[Copilot]

Adds a manually-triggerable workflow to update GitOps Promoter to the latest release version.

Implementation

• Version detection: Queries GitHub API for latest release, compares against GITOPS_PROMOTER_VERSION in chart-diff.yaml
• Manifest regeneration: Runs kubebuilder against latest gitops-promoter source, applies CRD example fixes via sed
• Version updates:
  • appVersion in chart/Chart.yaml (strips 'v' prefix)
  • GITOPS_PROMOTER_VERSION in .github/workflows/chart-diff.yaml
• PR automation: Creates PR with changes, links to release notes, auto-deletes branch

Technical notes

• Mirrors chart-diff.yaml checkout pattern (separate current-repo and gitops-promoter paths)
• Uses authenticated GitHub API requests to avoid rate limits
• Skips update if already on latest version

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/repos/argoproj-labs/gitops-promoter/releases/latest
  • Triggering command: /usr/bin/curl curl -s REDACTED (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add workflow_dispatch workflow to update the GitOps Promoter app version</issue_title>
<issue_description>The workflow should pull the latest GitOps Promoter version, run the kubebuilder and sed commands to update the manifests, and then open a PR with the changes. It should update any stored app versions, like the one in the github workflow file and the appVersion field in Chart.yaml.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Add workflow_dispatch workflow to update the GitOps Promoter app version #3

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[emirot]

@crenshaw-dev we can test it, once merged, Zach just created a new release.

[emirot]

@crenshaw-dev it is missing workflow permission becuase we update chart-diff.yaml
Which I believe it is in settings

[emirot]

We may need https://github.com/orgs/community/discussions/35410#discussioncomment-5851696

[emirot]

This does not resolve, please use latest peter-evans/create-pull-request@c0f553f which is V8