chore: update github actions pinned images

[yeojz]

Summary

• Bump pnpm/action-setup from v4.2.0 to v5.0.0
• Bump actions/setup-node from v6.2.0 to v6.3.0
• Bump actions/download-artifact from v8.0.0 to v8.0.1

Test plan

• CI workflows pass with updated action versions

[codecov]

Bundle Report

Changes will increase total bundle size by 589.31kB (56.19%) ⬆️⚠️, exceeding the configured threshold of 5%.

Bundle name	Size	Change
otplib	514.89kB	514.89kB (100%) ⬆️⚠️
@otplib/plugin-crypto-noble	15.06kB	15.06kB (100%) ⬆️⚠️
@otplib/plugin-base32-scure	11.31kB	11.31kB (100%) ⬆️⚠️
@otplib/plugin-crypto-node	13.44kB	13.44kB (100%) ⬆️⚠️
@otplib/plugin-crypto-web	17.48kB	17.48kB (100%) ⬆️⚠️
@otplib/plugin-base32-alt	17.14kB	17.14kB (100%) ⬆️⚠️

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	100% (🎯 100%)	1556 / 1556
🔵	Statements	100% (🎯 100%)	1577 / 1577
🔵	Functions	100% (🎯 100%)	346 / 346
🔵	Branches	100% (🎯 100%)	824 / 824

File Coverage

No changed files found.

Generated in workflow #368 for commit e70d4ce by the Vitest Coverage Report Action

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (310b91c) to head (e70d4ce).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #823   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           59        59           
  Lines         1996      1996           
  Branches       404       404           
=========================================
  Hits          1996      1996           

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