chore: upgrade yarn 4.2.1 + all dev deps

[webbertakken]

Changes

• Upgrade Yarn to latest
• Support Volta
• Switch dep vitest/coverage-c8 to vitest/coverage-v8
• Upgrade all other deps

Checklist

• Read the contribution guide and accept the
  code of conduct
• Readme (updated or not needed)
• Tests (added, updated or not needed)

[pr-code-reviewer]

👋 Hi there!

1. Update the version of "actions/checkout" to "@v4".
2. Adjust "node-version" to "node-version-file: package.json" under "Setup Node".
3. Modify the version of "codecov/codecov-action" to "@v4.0.1".

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Feedback? Please don't hesitate to drop me an email at webber@takken.io.}}