chore(ci): 升级 Actions 版本并补足 PR 评论权限

[iamsyc]

变更内容

• 将 CI、可复用测试工作流、release 工作流中的 actions/checkout、actions/cache、actions/upload-artifact 升级到最新大版本
• 为 ci-summary job 增加 pull-requests: write 权限

变更原因

• 修复 GitHub Actions 关于 Node.js 20 弃用的告警
• 解决 ci-summary 更新 PR sticky comment 时出现的 Resource not accessible by integration warning

验证

• 静态核对 workflow 中旧版本 action 已全部替换为新版本
• xcodebuild -project VoidDisplay.xcodeproj -scheme VoidDisplay -configuration Debug -derivedDataPath .derivedData build

[github-actions]

CI Summary

Run: Open

Check	Status	Details
Change Scope	code	code-relevant change set
Unit Tests	success	required
UI Smoke Tests (matrix: baseline + permissionDenied + rebuildFailed)	success	required; matrix: baseline + permissionDenied + rebuildFailed
Release Build Check (Release arch smoke: arm64 + x86_64)	success	required; Release arch smoke check (arm64 + x86_64 with thin/sign/verify)
CI Gate	success	required; driven by Unit Tests + UI Smoke Tests + Release Build Check

Gate rule: target main 的代码相关 PR 必须通过 Unit Tests + UI Smoke Tests + Release Build Check。