chore(deps): update actions/setup-node action to v4

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v3 -> v4

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Release Notes

actions/setup-node (actions/setup-node)

### [`v4`](https://togithub.com/actions/setup-node/compare/v3...v4) [Compare Source](https://togithub.com/actions/setup-node/compare/v3...v4)

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Configuration

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[generated-files-bot[bot]]

Warning: This pull request is touching the following templated files:

• .github/workflows/ci.yaml - .github/workflows/ci.yaml (GitHub Actions) should be updated in synthtool

[feywind]

This will require synthtool template updates.

[forking-renovate[bot]]

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update. You will not get PRs for any future 4.x releases. But if you manually upgrade to 4.x then Renovate will re-enable minor and patch updates automatically.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.