fix: disable code signing for CI build

[hubo1989]

Fix release workflow to disable code signing and set correct deployment target for GitHub Actions.

Summary by CodeRabbit

发布说明

本次更新不包含面向用户的新功能或更改。此更新涉及内部构建配置的技术性调整，不会影响应用程序的功能或用户体验。

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8c43252 and 7ac5cff.

📒 Files selected for processing (1)

• .github/workflows/release.yml

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📝 Walkthrough

Walkthrough

GitHub Actions 发布工作流中的 Xcode 构建步骤添加了 macOS 目标配置和代码签名禁用参数，包括设置部署目标为 13.0 和禁用签名要求。

Changes

Cohort / File(s)	Summary
CI/CD 工作流配置 .github/workflows/release.yml	向 Xcode 构建步骤添加了代码签名禁用标记（CODE_SIGN_IDENTITY="-"、CODE_SIGNING_REQUIRED=NO、CODE_SIGNING_ALLOWED=NO）和 macOS 部署目标配置（MACOSX_DEPLOYMENT_TARGET=13.0）。

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 在构建的山丘上，我们奔跑
无需签名的困扰，自由如空气
macOS 十三的目标，清晰而闪耀
工作流配置，现已完美绽放

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/v1.3.0

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