[fix] Add PR approved checks in bot-changelog workflow

[pushpitkamboj]

Checklist

• I have read the OpenWISP Contributing Guidelines.
• I have manually tested the changes proposed in this pull request.

Reference to Existing Issue

Closes #621

Description of Changes

added the PR approved check in changelog-bot workflow

[coderabbitai]

📝 Walkthrough

Walkthrough

The pull request adds a conditional gate to the changelog GitHub Actions workflow job. The condition requires the pull request to be approved and the reviewer to have owner, member, or collaborator association before the changelog generation workflow can execute. This prevents the bot from being triggered on non-approved pull request actions.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• [feature] Added changelog entry bot using Gemini AI #584: Introduced the bot-changelog workflow invocation that this PR now gates with an approval check

Suggested labels

github_actions, helper-bots

Suggested reviewers

• nemesifier

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Caution

Pre-merge checks failed

Please resolve all errors before merging. Addressing warnings is optional.

• Ignore

❌ Failed checks (1 error, 1 inconclusive)

Check name	Status	Explanation	Resolution
Bug Fixes	❌ Error	PR fixes root cause by adding approval gates to bot-changelog workflow but includes no regression tests to verify the fix or prevent future regressions.	Add regression tests verifying workflow skips on non-approved reviews, skips on unauthorized reviewers, and runs on approved reviews from OWNER/MEMBER/COLLABORATOR.
Description check	❓ Inconclusive	The description covers key sections (checklist, issue reference, description of changes) but is missing required documentation updates and test case sections, which limits completeness.	Clarify whether documentation updates and new test cases were created or confirm they are not applicable for this workflow change.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	The PR successfully implements the requirement from issue #621 by adding an approval gate to the changelog workflow that ensures the changelog bot only runs when a PR has been approved by authorized reviewers.
Out of Scope Changes check	✅ Passed	All changes are scoped to the bot-changelog workflow file and directly implement the approval check requirement, with no extraneous modifications detected.
Title check	✅ Passed	The title clearly describes the main change: adding PR approval checks to the bot-changelog workflow. It follows the required format [type] with 'fix' and provides a descriptive summary.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

📝 Coding Plan

• Generate coding plan for human review comments

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[coveralls]

coverage: 97.348%. remained the same
when pulling 6b2c2e0 on pushpitkamboj:ci/fix_bot_changelog
into b1cb23b on openwisp:master.