release-8.5: remove Serverless from Starter name descriptions

[lilin90]

What is changed, added or deleted? (Required)

Serverless was renamed to Starter on Aug 12, 2025. It has been over two months since then. This PR updates the plan name to the latest one.

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• v9.0 (TiDB 9.0 versions)
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• v8.1 (TiDB 8.1 versions)
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[gemini-code-assist]

Summary of Changes

Hello @lilin90, 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 systematically updates the TiDB Cloud documentation to align with the recent renaming of the 'Serverless' plan to 'Starter'. The changes ensure that all references to the plan name are consistent and current, improving clarity and accuracy for users navigating the documentation.

Highlights

• Documentation Update: Renamed all instances of 'Serverless' to 'Starter' in TiDB Cloud documentation, reflecting the official product name change.
• Clarity Improvement: Removed redundant parenthetical explanations such as '(formerly Serverless)' or '(now Starter)' to streamline the text.
• Formatting Fixes: Addressed minor whitespace inconsistencies within code blocks in tidb-cloud/integrate-tidbcloud-with-netlify.md and tidb-cloud/serverless-driver.md.

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[gemini-code-assist]

Code Review

This pull request updates the documentation to replace the outdated term "Serverless" with "Starter", which improves terminology consistency. The changes are generally good, but I've found that renaming a heading has caused several internal links to break. I've provided a suggestion to add an explicit anchor to the renamed heading, which will fix these broken links and ensure link integrity.

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-10-21 08:38:06.028890417 +0000 UTC m=+774592.106142977: ☑️ agreed by qiancai.

[lilin90]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lilin90

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