docs(translation): translate React Labs blog post about View Transitions and Activity

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Description

Translated the React Labs blog post about View Transitions, Activity, and other features.

Related Links

Original content: https://github.com/reactjs/zh-hans.react.dev/blob/main/src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md

Checklist

• I have read and followed the Translation Guide
• I have referenced the Glossary Sheet to ensure terminology consistency
• I have ensured proper spacing between Chinese and English text
• I have used correct Chinese punctuation marks
• I have ensured the translation reads naturally without obvious traces of direct translation
• I have kept proper nouns and API names (such as Activity, ViewTransition, etc.) in their original English form

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Name	Status	Preview	Comments	Updated (UTC)
zh-hans-react-dev	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 13, 2025 2:37am

[loveloki]

Thanks!