chore(deps): update actions/setup-java action to v4 (#25)

This PR contains the following updates:

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

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### Release Notes

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

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

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

</details>

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### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

♻ **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.

---

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

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xMjAuMyIsInVwZGF0ZWRJblZlciI6IjM5LjEyMC4zIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbXX0=-->

Reviewed-on: #25
Co-authored-by: Renovate Bot <renovate@brmartin.co.uk>
Co-committed-by: Renovate Bot <renovate@brmartin.co.uk>

.github/workflows/build.yaml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up JDK 17
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'temurin'

.github/workflows/release.yaml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up JDK 17
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'temurin'