[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.

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (1 file)

• .github/workflows/bot-changelog-trigger.yml - Simple regex update to support [change!] PR titles for backward incompatible changes

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Review Notes:

The regex change from ^\[(feature|fix|change)\] to ^\[(feature|fix|change!?)\] correctly implements the stated goal. The !? pattern makes the exclamation mark optional, so both [change] and [change!] PR titles will now trigger the changelog bot. This is a minimal and appropriate fix.

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_{Reviewed by kimi-k2.5 · 211,489 tokens}