Update mikepenz/action-junit-report action to v5 (#16)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[mikepenz/action-junit-report](https://redirect.github.com/mikepenz/action-junit-report)
| action | major | `v4` -> `v5` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>mikepenz/action-junit-report
(mikepenz/action-junit-report)</summary>

###
[`v5`](https://redirect.github.com/mikepenz/action-junit-report/releases/tag/v5)

[Compare
Source](https://redirect.github.com/mikepenz/action-junit-report/compare/v4...v5)

-   no changes

</details>

---

### 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 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.

---

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

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/kpavlov/langchain4j-kotlin).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xNDIuNCIsInVwZGF0ZWRJblZlciI6IjM4LjE0Mi40IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/maven.yml

@@ -32,7 +32,7 @@ jobs:
         run: mvn -B verify site
 
       - name: Publish Test Report
-        uses: mikepenz/action-junit-report@v4
+        uses: mikepenz/action-junit-report@v5
         if: success() || failure() # always run even if the previous step fails
         with:
           report_paths: '**/*-reports/TEST-*.xml'