chore(ci): Migrate workflows to Blacksmith runners

[leavesster]

No description provided.

[coderabbitai]

概览

此 PR 将五个 GitHub Actions 工作流的运行程序从通用 ubuntu-latest 标签迁移到特定的 Blacksmith 运行程序标签。安装和 Renovate 工作流使用 2vcpu 规格，而层级测试、节点操作和 PR 检查工作流使用 4vcpu 规格。层级测试矩阵新增 ARM 构建变体。

改动

CI 运行程序迁移

层 / 文件	摘要
2vcpu 运行程序更新 .github/workflows/install.yml, .github/workflows/renovate.yml	install-check 和 renovate 作业的 runs-on 从 ubuntu-latest 更新为 blacksmith-2vcpu-ubuntu-2404。
4vcpu 运行程序更新 .github/workflows/layer.yml, .github/workflows/oocana-node.yml, .github/workflows/pr.yml	layer-check、action-test 和 check 作业更新为 blacksmith-4vcpu-ubuntu-2404；layer-test 矩阵的 os 列表新增 blacksmith-4vcpu-ubuntu-2404-arm。

预估代码审查工作量

🎯 1 (简单) | ⏱️ ~5 分钟

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The pull request has no description provided, making it impossible to assess whether it explains the changeset.	Add a pull request description explaining the purpose and scope of migrating workflows to Blacksmith runners.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	PR 标题遵循指定格式 <type>(<scope>): <subject>，清晰反映了变更的主要内容——将工作流迁移到 Blacksmith 运行器。

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[Copilot]

Pull request overview

Updates selected GitHub Actions workflows to run on Blacksmith Ubuntu 24.04 runners (including migrating the ARM layer job to a Blacksmith ARM runner tag), reapplying the earlier migration from #451 onto the current main branch.

Changes:

• Switched several workflow jobs from ubuntu-latest to Blacksmith Ubuntu 24.04 runner tags.
• Updated the layer workflow’s ARM matrix entry to use blacksmith-4vcpu-ubuntu-2404-arm.
• Migrated the layer “check” job to a Blacksmith runner.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
.github/workflows/renovate.yml	Renovate job now runs on blacksmith-2vcpu-ubuntu-2404.
.github/workflows/pr.yml	PR “check” job now runs on blacksmith-4vcpu-ubuntu-2404.
.github/workflows/oocana-node.yml	Action test job now runs on blacksmith-4vcpu-ubuntu-2404.
.github/workflows/layer.yml	ARM matrix entry moved to Blacksmith ARM tag; layer-check moved to Blacksmith runner.
.github/workflows/install.yml	Install compatibility check job now runs on blacksmith-2vcpu-ubuntu-2404.

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