chore: optimize CI pnpm setup

[chenjiahan]

Summary

This PR aligns the GitHub Actions pnpm setup with the current Rsbuild workflow pattern from web-infra-dev/rsbuild#7856.

• Replace corepack/manual pnpm install steps with pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 and run_install: true.
• Explicitly disable actions/setup-node package manager caching with package-manager-cache: false.
• Keep browser installation commands as separate post-install steps where needed.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: a87d7fc4-22ee-42b5-88f2-1a8770fc0f81

📥 Commits

Reviewing files that changed from the base of the PR and between b8c316f and 6d47ac8.

📒 Files selected for processing (2)

• .github/workflows/nodejs.yml
• .github/workflows/release.yml

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📝 Walkthrough

Walkthrough

This PR updates three GitHub Actions workflow jobs to standardize pnpm setup across the project's CI/CD pipelines. The changes replace manual corepack-based pnpm installation with the dedicated pnpm/action-setup action in the lint and test jobs of .github/workflows/nodejs.yml and the publish job of .github/workflows/release.yml. Node.js setup is now configured with package-manager-cache: false, and pnpm installation is delegated to the pnpm/action-setup action with run_install: true to handle both pnpm installation and dependency resolution.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'chore: optimize CI pnpm setup' directly and clearly describes the main change—optimizing the GitHub Actions pnpm configuration across workflow files.
Description check	✅ Passed	The description is directly related to the changeset, providing context about aligning with Rsbuild patterns and explaining the pnpm/action-setup replacement with specific rationale.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/optimize-ci-pnpm-action-20260609

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