Fixing auto-backport to use v4.25.0 as latest release

[olemartinorg]

Description

The gh release list command sorts by when a release was created, not when it was published. This caused it to backport fixes to v4.24.x right now, instead of v4.25.x.

Example output from running gh release list --limit 3 --exclude-pre-releases --exclude-drafts --json tagName,publishedAt,createdAt:

[
  {
    "createdAt": "2026-01-14T13:56:25Z",
    "publishedAt": "2026-01-14T13:59:00Z",
    "tagName": "v4.24.2"
  },
  {
    "createdAt": "2026-01-14T13:26:34Z",
    "publishedAt": "2026-01-15T13:28:55Z",
    "tagName": "v4.25.0"
  },
  {
    "createdAt": "2025-12-15T06:31:31Z",
    "publishedAt": "2025-12-15T08:03:08Z",
    "tagName": "v4.24.1"
  }
]

This problem happened because v4.24.2 was released after the draft-release for v4.25.0 was created.

This fix gets the last 10 releases and sorts them by published date first.

Related Issue(s)

• closes #{issue number}

Verification/QA

• Manual functionality testing
  • I have tested these changes manually
  • Creator of the original issue (or service owner) has been contacted for manual testing (or will be contacted when released in alpha)
  • No testing done/necessary
• Automated tests
  • Unit test(s) have been added/updated
  • Cypress E2E test(s) have been added/updated
  • No automatic tests are needed here (no functional changes/additions)
  • I want someone to help me make some tests
• UU/WCAG (follow these guidelines until we have our own)
  • I have tested with a screen reader/keyboard navigation/automated wcag validator
  • No testing done/necessary (no DOM/visual changes)
  • I want someone to help me perform accessibility testing
• User documentation @ altinn-studio-docs
  • Has been added/updated
  • No functionality has been changed/added, so no documentation is needed
  • I will do that later/have created an issue
• Support in Altinn Studio
  • Issue(s) created for support in Studio
  • This change/feature does not require any changes to Altinn Studio
• Sprint board
  • The original issue (or this PR itself) has been added to the Team Apps project and to the current sprint board
  • I don't have permissions to do that, please help me out
• Labels
  • I have added a kind/* and backport* label to this PR for proper release notes grouping
  • I don't have permissions to add labels, please help me out

Summary by CodeRabbit

• Chores
  • Improved release tag selection logic in automated workflows for better accuracy when managing multiple releases.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

📝 Walkthrough

Walkthrough

The GitHub Actions workflow now fetches up to 10 releases and determines the latest by sorting releases by their publication timestamp in descending order, rather than selecting the first from a single-release query.

Changes

Cohort / File(s)	Summary
GitHub Actions Workflow .github/workflows/auto-backport.yml	Modified release lookup to fetch multiple releases and sort by publishedAt timestamp in descending order; changed from first tagName selection to selection based on latest publication date

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title directly describes the specific fix: using v4.25.0 as the latest release in the auto-backport workflow, matching the core change in the PR.
Description check	✅ Passed	The description includes a detailed explanation of the problem (gh release list sorts by creation date), concrete examples with JSON output, root cause analysis, and the implemented fix. Most required template sections are completed.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch bug/auto-backport-wrong-release

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[cammiida]

👌