Add changelog generation guide.

[g-samroberts]

Summary

Adds a maintenance and troubleshooting guide for the automated release notes system to aid in handoff and help reviewers and maintainers resolve common issues.

Details

• Created a new troubleshooting guide at .gemini/skills/docs-changelog/references/changelog-automation.md covering architecture, handling skipped minor versions, and fixing oversized PR generation.
• Updated the docs-changelog skill description to point to this new guide.
• Updated the .github/workflows/release-notes.yml GitHub Action so that any auto-generated changelog PRs will now include a direct link to the troubleshooting guide in their body.

Related Issues

How to Validate

1. Review the content of the newly created changelog-automation.md guide.
2. Verify the workflow changes in .github/workflows/release-notes.yml.
3. (Optional) Run the "Generate Release Notes" workflow manually via workflow_dispatch to see the updated PR template in action.

Pre-Merge Checklist

• Updated relevant documentation and README (if needed)
• Added/updated tests (if needed)
• Noted breaking changes (if any)
• Validated on required platforms/methods: N/A (Documentation/Workflow changes only)

[gemini-code-assist]

Note

Gemini is unable to generate a summary for this pull request due to the file types involved not being currently supported.

[github-actions]

📊 PR Size: size/M

• Lines changed: 92
• Additions: +91
• Deletions: -1
• Files changed: 3

[github-actions]

Size Change: -4 B (0%)

Total Size: 33.9 MB

Filename	Size	Change
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./bundle/liteRtServerManager-QYTUAT7S.js	2.08 kB	+2.08 kB (new file)	🆕
./bundle/oauth2-provider-RZO5BZ6R.js	9.12 kB	+9.12 kB (new file)	🆕

ℹ️ View Unchanged

Filename	Size	Change
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./bundle/cleanup-N76WZSJH.js	0 B	-902 B (removed)	🏆
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./bundle/cleanup-TYAEOWVG.js	902 B	+902 B (new file)	🆕
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[gemini-cli]

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