deps: update actions/setup-go action to v5 (#352)

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This PR contains the following updates:

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

---

### Release Notes

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

### [`v5`](https://togithub.com/actions/setup-go/compare/v4...v5)

[Compare Source](https://togithub.com/actions/setup-go/compare/v4...v5)

</details>

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.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
           go-version: "1.21"
           cache: false