Restored v prefix on published docker image tags

[danielemery]

The versioning rework switched the published image tag from the
v-prefixed git tag to the bare semver version, but the helm chart and
operators still pin api.version to a vX.Y.Z string (CONTRIBUTING
"Operator rules"), so deploys would hit ImagePullBackOff.

Tag the rc image from the v-prefixed tag output, and retag the stable
and latest images from the v-prefixed release-tag (dropping the prefix
strip), matching the pre-rework behaviour. Chart version, appVersion and
the Sentry release stay bare semver as before.

Co-Authored-By: Claude noreply@anthropic.com

Summary by CodeRabbit

• Bug Fixes
  • Updated Docker image tagging so release-candidate builds are published with the expected vX.Y.Z-rc.N tag format.
  • Improved stable and latest image promotion to use the correct release tag, helping ensure downstream systems pull the intended artifact.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 595bbdf1-2171-47a9-9c9b-352ccde19b8d

📥 Commits

Reviewing files that changed from the base of the PR and between 0e13046 and a818013.

📒 Files selected for processing (2)

• .github/workflows/release-candidate.yml
• .github/workflows/release-stable.yml

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📝 Walkthrough

Walkthrough

The release-candidate workflow now publishes Docker images with the prerelease v-prefixed tag. The release-stable workflow now retags both the stable manifest and latest from the promoted release-tag output.

Changes

Release tagging updates

Layer / File(s)	Summary
Prerelease publish tag .github/workflows/release-candidate.yml	The Docker publish step now uses needs.version.outputs.tag and adds comments about the required v-prefixed prerelease tag.
Stable promotion tags .github/workflows/release-stable.yml	retag-image and retag-latest now use needs.pre_release.outputs.release-tag when creating the stable manifest and latest reference.

Sequence Diagram(s)

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• danielemery/quizlord-api#557: Also changes release workflow Docker tagging logic for prerelease and stable image promotion.

Poem

I hopped through tags from burrow to sky,
With v-prefixed crumbs for images to fly.
The stable moon turned latest bright,
And RC carrots lined up just right. 🐰

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: restoring the v-prefixed Docker image tags.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch hotfix-image-tag-prefix

---

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 36.30%. Comparing base (0e13046) to head (a818013).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #578   +/-   ##
=======================================
  Coverage   36.30%   36.30%           
=======================================
  Files          28       28           
  Lines         942      942           
  Branches      188      188           
=======================================
  Hits          342      342           
  Misses        548      548           
  Partials       52       52           

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