Bump actions/setup-java from 5 to 5.6.0

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 5 to 5.6.0.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](https://github.com/actions/setup-java/compare/v5...v5.6.0)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: 5.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/maven.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v7
     - name: Set up JDK ${{ matrix.jdk }}
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v5.6.0
       with:
         java-version: ${{ matrix.jdk }}
         distribution: 'temurin'