java version fix

Signed-off-by: Attila Mészáros <[email protected]>

Author: csviri

.github/workflows/sonar.yml

@@ -28,7 +28,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
           cache: 'maven'
       - name: Cache SonarCloud packages
         uses: actions/cache@v4