chore(deps): update actions/setup-node action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v4 → v6
actions/setup-node	action	major	v5 → v6

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Release Notes

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

v6

Compare Source

v5

Compare Source

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Configuration

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[reviewflow]

Progress

☑️ Step 1: ✏️ Write code
🔴 Step 2: 💚 Checks
🟡 Step 3: 👌 Code Review
⬜ Step 4: 🚦 Merge Pull Request

Options:

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Actions:

• 🐛 Force updating reviewflow checks for this PR. Use this to try to fix reviewflow checks that are still missing/pending, which might happen if webhook failed or something bad happened when reviewflow tried to send the status check to github.
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