[fix] Trigger changelog bot for backward incompatible changes

[nemesifier]

Checklist

• I have read the OpenWISP Contributing Guidelines.
• I have manually tested the changes proposed in this pull request.
• I have written new test cases for new code and/or updated existing tests for changes to existing code.
• I have updated the documentation.

Reference to Existing Issue

No existing issue.

Description of Changes

This PR updates the changelog bot trigger workflow to match PR titles starting with [change!].

This allows backward incompatible PRs to run the reusable changelog workflow after maintainer approval, the same as [feature], [fix], and [change] PRs.

Screenshot

Not applicable.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 1a2e3036-f6ec-4d34-86a2-cc39665725b3

📥 Commits

Reviewing files that changed from the base of the PR and between 187ed1a and 27f3970.

📒 Files selected for processing (1)

• .github/workflows/bot-changelog-trigger.yml

📜 Recent review details

🧰 Additional context used

🧠 Learnings (1)

📚 Learning: 2026-04-17T20:35:58.550Z

Learnt from: nemesifier
Repo: openwisp/openwisp-users PR: 496
File: .github/workflows/bot-changelog-runner.yml:27-27
Timestamp: 2026-04-17T20:35:58.550Z
Learning: In the openwisp/openwisp-users repository, do not require pinning GitHub Actions to full commit SHAs for supply-chain security. It’s acceptable to reference actions using mutable major version tags like `actions/download-artifactv4`. When reviewing workflow YAML files, avoid raising comments specifically about SHA pinning for GitHub Actions in this repo.

Applied to files:

• .github/workflows/bot-changelog-trigger.yml

🔇 Additional comments (1)

.github/workflows/bot-changelog-trigger.yml (1)

23-23: LGTM!

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📝 Walkthrough

Walkthrough

The PR updates the bot changelog trigger workflow to recognize [change!] as a noteworthy PR title prefix in addition to [change]. The grep regex pattern is modified from change to change!? to match titles with an optional trailing exclamation mark, allowing the changelog automation to flag breaking change annotations consistently.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• openwisp/openwisp-users#496: Related update to the same bot-changelog-trigger.yml workflow file, modifying the PR-title matching regex.

Suggested labels

github_actions

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the main change: updating the changelog bot trigger to handle backward incompatible changes marked with [change!].
Description check	✅ Passed	The description addresses the key requirement sections including checklist items, reference to existing issue, and detailed description of changes, though test and documentation updates are not checked.
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.
Bug Fixes	✅ Passed	PR is a one-line fix to a GitHub Actions workflow file, both valid exceptions to the regression test requirement per the custom check instructions.

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

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch changelog-bot-change-bang

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[coveralls]

coverage: 98.163%. remained the same — changelog-bot-change-bang into master