chore(deps): update actions/setup-node action to v6.4.0 (#39)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/setup-node](https://github.com/actions/setup-node) | action | minor | `v6.3.0` → `v6.4.0` |

---

### Release Notes

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

### [`v6.4.0`](https://github.com/actions/setup-node/releases/tag/v6.4.0)

[Compare Source](https://github.com/actions/setup-node/compare/v6.3.0...v6.4.0)

#### What's Changed

##### Dependency updates:

- Upgrade [@&#8203;actions](https://github.com/actions) dependencies by [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;1525](https://github.com/actions/setup-node/pull/1525)
- Update Node.js versions in versions.yml and bump package to v6.4.0  by [@&#8203;priya-kinthali](https://github.com/priya-kinthali) in [#&#8203;1533](https://github.com/actions/setup-node/pull/1533)

#### New Contributors

- [@&#8203;Copilot](https://github.com/Copilot) made their first contribution in [#&#8203;1525](https://github.com/actions/setup-node/pull/1525)

**Full Changelog**: <https://github.com/actions/setup-node/compare/v6...v6.4.0>

</details>

---

### Configuration

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♻ **Rebasing**: Whenever PR becomes conflicted, 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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---

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Reviewed-on: #39
Reviewed-by: t.behrendt <t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

action.yml

@@ -10,7 +10,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+    - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: "latest"
     - name: Extract schema