cloud: add release notes for 20251028

[qiancai]

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[gemini-code-assist]

Summary of Changes

Hello @qiancai, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates the TiDB Cloud release notes to include the changes for October 28, 2025. The updates cover a new recommendation for connection lifetime settings in the Starter and Essential tiers to enhance stability, and the introduction of new API endpoints for managing third-party monitoring integrations within the Dedicated tier.

Highlights

• New Release Notes: Added release notes for October 28, 2025, to the TiDB Cloud documentation.
• Connection Stability Recommendation: For TiDB Cloud Starter and Essential tiers, a recommendation has been added to set the maximum lifetime of database connections to less than 30 minutes to improve stability.
• Dedicated API for Monitoring Integrations: New API endpoints have been introduced for TiDB Cloud Dedicated to manage third-party monitoring integrations, including listing, creating, and deleting integrations.

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[gemini-code-assist]

Code Review

This pull request adds a new release note for October 28, 2025. The changes are well-structured. I've provided a couple of minor suggestions to improve wording and fix markdown formatting for better alignment with the documentation style guide.

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-10-28 03:53:07.717733603 +0000 UTC m=+1362293.794986153: ☑️ agreed by Oreoxmt.

[qiancai]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiancai

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