chore(deps): update actions/setup-node action to v5 (#558)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/setup-node](https://redirect.github.com/actions/setup-node) |
action | major | `v4` -> `v5` |

---

### Release Notes

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

###
[`v5`](https://redirect.github.com/actions/setup-node/compare/v4...v5)

[Compare
Source](https://redirect.github.com/actions/setup-node/compare/v4...v5)

</details>

---

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---

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.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           submodules: true
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 22
       - run: npm ci

.github/workflows/testing.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: ${{ matrix.version }}
       - run: npm ci