[devops] make build on PR run automatically

[ver217]

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• I have created an issue for this PR for traceability
• The title follows the standard format: [doc/gemini/tensor/...]: A concise description
• I have added relevant tags if possible for us to better distinguish different PRs

🚨 Issue number

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e.g. fixed #1234, closed #1234, resolved #1234

Closes #3747

📝 What does this PR do?

Summarize your work here.
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1. Make build on PR workflow run automatically.
2. Update related documentation.

💥 Checklist before requesting a review

• I have linked my PR to an issue (instruction)
• My issue clearly describes the problem/feature/proposal, with diagrams/charts/table/code if possible
• I have performed a self-review of my code
• I have added thorough tests.
• I have added docstrings for all the functions/methods I implemented

⭐️ Do you enjoy contributing to Colossal-AI?

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• 🌚 No, I don't.

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