ci: fix React Doctor workflow

[yoyo837]

• update action pin to v2.2.8

Context

react-component/table#1503

Summary by CodeRabbit

• 维护
  • 更新 React Doctor 自动检查流程至固定版本，提升构建检查的稳定性与一致性。

[gemini-code-assist]

Caution

The consumer version of Gemini Code Assist on GitHub has been sunset. All code review activity has officially ceased.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 413b485a-1fdc-4ab6-9f7c-f70bfebe3f73

📥 Commits

Reviewing files that changed from the base of the PR and between 1cab1bf and 062e94f.

📒 Files selected for processing (1)

• .github/workflows/react-doctor.yml

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Walkthrough

React Doctor GitHub Actions 工作流更新了依赖的固定提交版本。其他导出实体和公共声明未更改。

Changes

React Doctor 工作流更新

Layer / File(s)	Summary
更新 React Doctor 固定版本 .github/workflows/react-doctor.yml	工作流将 millionco/react-doctor 从旧提交版本更新为新的固定提交版本。

Estimated code review effort: 1 (简单) | ~5 分钟

Poem

我是小兔，检查工作流，
固定版本稳稳跳。
旧提交轻轻告别，
新提交随风到。

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	标题明确说明了修复 React Doctor 工作流，与更新工作流固定提交版本的主要变更一致。
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/react-doctor-workflow-v2.2.8

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