chore: update bug report issue template

[chenjiahan]

Summary

Update bug report issue template, recommend using the create-rsbuild or CodeSandbox to create a minimal reproduction.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[netlify]

✅ Deploy Preview for rsbuild ready!

Name	Link
🔨 Latest commit	8cf3428
🔍 Latest deploy log	https://app.netlify.com/sites/rsbuild/deploys/6709e98081413400080c3b78
😎 Deploy Preview	https://deploy-preview-3689--rsbuild.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 73 (🔴 down 1 from production) Accessibility: 97 (no change from production) Best Practices: 100 (no change from production) SEO: 92 (🟢 up 7 from production) PWA: 60 (no change from production) View the detailed breakdown and full score reports

---

To edit notification comments on pull requests, go to your Netlify site configuration.