ci(ci-deps): ⬆️ update actions/setup-node action to v4 (#238)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/setup-node](https://github.com/actions/setup-node) | action | major | `v3` -> `v4` |

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### Release Notes

<details>
<summary>actions/setup-node (actions/setup-node)</summary>

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

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

</details>

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### Configuration

📅 **Schedule**: Branch creation - "before 4am on Monday" in timezone Asia/Kolkata, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

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 - [ ] If you want to rebase/retry this PR, check this box

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.github/actions/prepare/action.yml

@@ -20,7 +20,7 @@ runs:
         version: 7
 
     - name: Setup Node.js
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version: ${{ inputs.node-version }}
         cache: pnpm