Upgrade actions/setup-java v3.5.1 -> v4.2.1

See:
- https://github.com/actions/setup-java/releases/tag/v4.2.1
- https://github.com/actions/setup-java/releases/tag/v4.2.0
- https://github.com/actions/setup-java/releases/tag/v4.1.0
- https://github.com/actions/setup-java/releases/tag/v4.0.0
- https://github.com/actions/setup-java/releases/tag/v3.13.0
- https://github.com/actions/setup-java/releases/tag/v3.12.0
- https://github.com/actions/setup-java/releases/tag/v3.11.0
- https://github.com/actions/setup-java/releases/tag/v3.10.0
- https://github.com/actions/setup-java/releases/tag/v3.9.0
- https://github.com/actions/setup-java/releases/tag/v3.8.0
- https://github.com/actions/setup-java/releases/tag/v3.6.0

.github/workflows/build.yaml

@@ -22,7 +22,7 @@ jobs:
           # Fetch entire history for SonarCloud analysis.
           fetch-depth: 0
       - name: Set up JDK
-        uses: actions/setup-java@v3.5.1
+        uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
         with:
           java-version: ${{ matrix.jdk }}
           distribution: temurin